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==Did you know...==
''Please add the line <tt><nowiki>==={{subst:CURRENTDAY}} {{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}===</nowiki></tt> for each new day and the time the set was removed from the DYK template at the top for the newly posted set of archived hooks. This will ensure all times are based on UTC time and accurate. This page should be archived once a month. Thanks.
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===31 October 2017===
*'''''00:00, 31 October 2017 (UTC)'''''
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{{main page image|image=Onesimus Ustonson 1772 invoice and receipt (cropped).jpg|caption=Ustonson invoice|width=120x133}}
</div>
* ... that '''[[Onesimus Ustonson]]''' ''(invoice pictured)'' supplied fishing tackle to the naturalist [[Joseph Banks]] for the [[second voyage of James Cook]]?
* ... that the '''[[Ethiopian hare]]''' is endemic to Africa, and is found in the [[Afromontane|Afromontane Biozone]] of Ethiopia and the borders of the [[Sudanian Savanna|Sudanian Savanna Biozone]]?
* ... that during the [[Dubin Inquiry]], lead counsel '''[[Robert P. Armstrong]]''' questioned Canadian sprinter [[Ben Johnson (sprinter)|Ben Johnson]] about his [[anabolic steroid]] use?
* ... that officers from the [[Albuquerque Police Department]] lied to the ''[[Albuquerque Journal]]'' when providing details regarding the '''[[death of Victoria Martens]]'''?
* ... that a '''[[GRIM test]]''' on a sample of published psychology articles revealed that over half contained at least one mathematically impossible result?
* ... that '''[[Catie Munnings]]''', winner of the [[2016 European Rally Championship|2016 FIA European Rally Championship Ladies' Trophy]], was the first British driver to win a European rally title in 49 years?
* ... that the '''[[Musca sorbens|bazaar fly]]''' is a vector for [[trachoma]], the leading global cause of preventable [[blindness]]?
* ... that instead of giving the [[List of Keys to the City in Canada#Calgary|keys to the city]] to visiting dignitaries, the mayor of [[Calgary]] "'''[[Calgary White Hat|white hats]]'''" them?
===30 October 2017===
*'''''00:00, 30 October 2017 (UTC)'''''
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{{main page image|image=Stan McDougall VC A05155.jpg|caption=Stanley McDougall|width=120x133}}
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* ... that Sergeant [[Stanley McDougall]] ''(pictured)'' was awarded the [[Victoria Cross]] for single-handedly killing many Germans with a [[Lewis gun]] during the '''[[First Battle of Dernancourt]]'''?
* ... that [[Francis Poulenc]] composed the [[motet]]s for male voices '''''[[Quatre petites prières de saint François d'Assise]]''''' on the request of a relative who was a [[Franciscans|Franciscan friar]]?
* ... that the film '''''[[Nude (2017 American film)|NUDE]]''''' is about a talent search that was inspired by the [[Pirelli Calendar]]s of the 1970s?<!--Special occasion hook for 29 October-->
* ... that '''[[Jean Ginsburg]]''' established one of the first clinics in Britain for menopausal women?
* ... that [[Brigham Young University|Brigham Young Unversity's]] '''[[International Harp Archive]]''' has more than 11,000 scores and sound recordings that feature the harp?
* ... that [[National Assembly of People's Power|Cuban parliamentarian]] '''[[Teté Puebla]]''' is the first female [[general]] in the nation's history?
* ... that when breeding, the polychaete worm '''''[[Syllis prolifera]]''''' produces a detachable "[[stolon]]" which joins other stolons to swarm in the [[water column]]?
* ... that [[Usain Bolt]] and [[Roger Federer]] have each won the '''[[Laureus World Sports Award for Sportsman of the Year]]''' a record four times since its inception in 2000?
===29 October 2017===
*'''''00:00, 29 October 2017 (UTC)'''''
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{{main page image|image=Antonov An-70 in 2008.jpg|caption=An-70 during take-off|width=120x133}}
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* ... that the '''[[Antonov An-70]]''' ''(pictured)'' was the first aircraft to take flight powered only by [[propfan]]s?
* ... that computer science lecturer '''[[Cynthia B. Lee]]''' promoted the use of gender-neutral language across her department at [[Stanford University]]?
* ... that '''[[Topolnița Cave]]''' is home to the largest colony of [[greater horseshoe bat]]s in Europe?
* ... that the brief biographies of Italian artists by the '''[[Anonimo Gaddiano]]''' were written before [[Lives of the Most Excellent Painters, Sculptors, and Architects|Vasari's ''Lives'']] of 1550, but not published until 1892?
* ... that '''[[Cranston Public Library]]''' delivered 4,657 items to homebound residents of [[Cranston, Rhode Island]], in 2016 alone?
* ... that Czech linguist '''[[Miroslav Komárek]]''' spent his entire six-decade academic career at [[Palacký University]] in [[Olomouc]]?
* ... that in 2013, the '''[[Boston Irish Famine Memorial|Irish Famine Memorial]]''' was described as "the most mocked and reviled public sculpture in [[Boston]]"?
* ... that [[Floor (band)|Floor]]'s use of the "bomb string" on their album '''''[[Oblation (album)|Oblation]]''''' was described as "a guitar string tuned so low it flaps like a pensioner's [[Anthropometry of the upper arm|bingo wing]]"?
===28 October 2017===
*'''''00:00, 28 October 2017 (UTC)'''''
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{{main page image|image=JFK_AirTrain.agr.jpg|caption=AirTrain JFK vehicle|width=120x133}}
</div>
* ... that '''[[AirTrain JFK]]''' ''(vehicle pictured)'', an [[airport rail link]] in New York City, took almost 30 years to plan?
* ... that '''[[Eleri Rees]]''' became a judge without ever practising as a barrister?
* ... that a '''[[Vector General|Vector General 3D]]''' terminal was used to create the 3D animation near the end of the original ''[[Star Wars]]''?
* ... that '''[[Karam Singh]]''' was the first living recipient of the [[Param Vir Chakra]], India's highest military decoration?
* ... that [[Drake (musician)|Drake]]'s song "'''[[KMT (song)|KMT]]'''" sampled the theme "His World" from the 2006 video game ''[[Sonic the Hedgehog (2006 video game)|Sonic the Hedgehog]]''?
* ... that the '''[[1982 Bristow Helicopters Bell 212 crash]]''' was one of three fatal helicopter accidents [[Bristow Helicopters]] suffered in little more than a year in the [[North Sea]]?
* ... that the musicologist '''[[Beatrix Borchard]]''' researched female musicians such as [[Clara Schumann]], [[Amalie Joachim]], and [[Pauline Viardot]], and worked for the [[Goethe-Institut]] in Portugal, Romania, and China?
* ... that a global search yielded two mating partners for [[Jeremy (snail)|'''Jeremy''']], a rare left-coiled [[Cornu aspersum|snail]], but they began to mate with each other instead?
===27 October 2017===
*'''''00:00, 27 October 2017 (UTC)'''''
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{{main page image|image=TNN24 - Royal crematorium of King Bhumibol (1) cropped.jpg|caption=Cremation pyre for King [[Bhumibol Adulyadej]]|width=120x133}}
</div>
* ... that the cremation pyres ''(example pictured)'' built for '''[[Thai royal funeral]]s''' symbolize [[Mount Meru]], the Hindu centre of the universe?<!-- Special occasion hook for 26 October-->
* ... that '''[[Robert Traill (clergyman)|Robert Traill]]''' was featured in an episode of ''[[Victoria (UK TV series)|Victoria]]'', written by his great-great-great-granddaughter [[Daisy Goodwin]]?
* ... that the '''[[Arago hotspot]]''' may have been creating volcanoes, islands, [[atoll]]s, and [[seamount]]s such as [[Îles Maria]], [[Tuvalu]], and the [[Marshall Islands]] for the past 120 million years?
* ... that '''[[John de Mowbray, 2nd Duke of Norfolk]]'''{{`s}} preparations for the 1415 [[Battle of Agincourt|Agincourt campaign]] cost him £2,000 and included a seat for his own toilet?
* ... that during the summer of 2017, the '''[[Milli Fire]]''' burned over {{convert|24000|acre|km2}} of forest land in Oregon, much of it in the [[Three Sisters Wilderness]] area?
* ... that '''[[Altan Xire]]''', the main [[Townships of the People's Republic of China|township]] of a [[Ejin Horo Banner|rural county]] in Inner Mongolia, has an extensive urban skyline?
* ... that the first opera by '''[[Andrea Lorenzo Scartazzini]]''' premiered at the [[Theater Erfurt]], the second at the [[Theater Basel]], and the third at the [[Deutsche Oper Berlin]] in 2017?
* ... that '''[[The Black Swan, Oldstead|The Black Swan at Oldstead]]''' is rated the best restaurant in the world by [[TripAdvisor]]?
===26 October 2017===
*'''''00:00, 26 October 2017 (UTC)'''''
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{{main page image|image=Schizomyia viticola galls.jpg|caption=''S. viticola'' galls |width=120x133}}
</div>
* ... that although the [[gall midge]] '''''[[Schizomyia viticola]]''''' can produce up to 135 [[gall]]s ''(pictured)'' on a single grape vine leaf, the plant is not harmed?
* ... that the hymn "'''[[Den Herren will ich loben]]'''", which [[Maria Luise Thurmair]] based on the [[Magnificat]] to [[Valet will ich dir geben|a popular 1613 melody]], was arranged with trumpets and timpani for a papal visit in Munich's Frauenkirche?
* ... that '''[[Ashley Hatch]]''' was named [[NWSL awards#Rookie of the Year|2017 NWSL Rookie of the Year]] and helped the [[North Carolina Courage]] win the [[NWSL Shield|2017 NWSL Shield]], scoring seven goals in 24 games?
* ... that the '''[[Mackinlay's cuckoo-dove]]''' can be distinguished from the '''[[bar-tailed cuckoo-dove]]''' by the dark spotting on the breast of the former caused by bifurcating feathers?
* ... that Latvian-born '''[[Lazar Bach]]''' became chair of the Communist Party of South Africa, but died in a [[Gulag]]?
* ... that the '''[[The Ridiculously Self-Indulgent, Ill-Advised Vanity Tour|new tour]]''' by [["Weird Al" Yankovic]] focuses on Yankovic's original songs, as opposed to his staple [[parody music|parody songs]]?
* ... that researchers found that sending '''[[birthday card]]s''' to 21-year-olds did not help reduce [[Binge drinking|harmful birthday drinking]]?
* ... that '''[[Abbie Hutty]]''' hopes there really ''is'' [[life on Mars]]?
===25 October 2017===
*'''''00:00, 25 October 2017 (UTC)'''''
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{{main page image|image=Siegfried Fietz 2012.jpg|caption=Siegfried Fietz|width=120x133}}
</div>
* ... that '''[[Siegfried Fietz]]''' ''(pictured)'' wrote a popular melody for "[[Von guten Mächten]]", one of more than 3,000 song melodies he composed?
* ... that in a sample of [[systematic review|medical reviews]], useless treatments were just as likely to be '''[[Further research is needed|recommended for further research]]''' as were useful treatments?
* ... that '''[[Theresa Goell]]''' spent much of her life working on excavations at [[Nemrud Dagh]] in Turkey, but never discovered the tomb of [[Antiochus I of Commagene]] that she hoped to find there?
* ... that the coral '''''[[Pocillopora elegans]]''''' is considered "[[Vulnerable species|vulnerable]]" after being severely depleted in the eastern Pacific during the 1982–1983 [[El Niño–Southern Oscillation|El Niño event]]?
* ... that [[Rebecca Thomas]] wrote and directed '''''[[Electrick Children]]''''', a film with a budget of US$1 million, while she was still a university student?
* ... that [[Everything Everything]]'s third album, '''''[[Get to Heaven]]''''', was at one point bookmakers' favourite for the 2015 [[Mercury Prize]], but was ultimately not even nominated?
* ... that '''[[Niaz A. Naik]]''' played a pivotal role in back-channel talks during the [[Kargil War]] between India and Pakistan?
* ... that "'''[[Old Love / New Love]]'''" was written by [[Twin Shadow]] for a [[Grand Theft Auto V soundtrack|fictional radio station]]?
* ... that the forged [[Morey letter]] may have helped 1880 U.S. Presidential candidate [[Winfield S. Hancock]] '''[[Winfield Hancock presidential campaign, 1880|win California and Nevada]]'''?
===24 October 2017===
*'''''00:00, 24 October 2017 (UTC)'''''
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{{main page image|image=File:Rupes Tenuis perspective view ESA240369.jpg|caption=Perspective view of Rupes Tenuis on Mars|width=120x133}}
</div>
* ... that '''[[Rupes Tenuis]]''' ''(pictured)'', the [[Mars|Martian]] north polar scarp, may have been in retreat since the Late [[Amazonian (Mars)|Amazonian period]]?
* ... that '''[[Leo Nocentelli]]''' was one of the primary songwriters of the [[New Orleans]] funk band [[The Meters]]?
* ... that the '''[[2017 Vegas eRace]]''' carried a total prize fund of $1 million, the largest in [[eSports]] racing history?
* ... that '''[[Karim Morani]]''' teamed up with [[Shah Rukh Khan]] in 2013 to co-produce the commercially successful film ''[[Chennai Express]]''?
* ... that the forged [[Morey letter]] may have helped 1880 U.S. Presidential candidate [[Winfield S. Hancock]] '''[[Winfield Hancock presidential campaign, 1880|win California and Nevada]]'''?
* ... that the Chinese government sponsors a [[gangsta rap]] group called '''[[CD Rev]]'''?
* ... that although [[Arthur Schopenhauer]] had not invited her and initially refused to cooperate, [[Elisabet Ney]] nevertheless sculpted his '''[[Arthur Schopenhauer (sculpture)|portrait bust]]'''?
* ... that '''[[Sam Bosworth]]''' is the first male [[Coxswain (rowing)|coxswain]] to win an [[International Rowing Federation#Events|international elite rowing event]] with a female crew?
===23 October 2017===
*'''''00:00, 23 October 2017 (UTC)'''''
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{{main page image|image=Rhipicephalus-pulchellus-male.jpg|caption=Male ''R. pulchellus''|width=120x133}}
</div>
* ... that '''''[[Rhipicephalus pulchellus]]''''' ''(pictured)'' is sometimes known by its [[common name]] "the zebra [[tick]]", both because zebras are one of its main [[host (biology)|host]]s and because of the males' black and white ornamentation?
* ... that in the [[Indian general election, 1951–52|1951–52 Indian general election]], the 27-year old '''[[Sunkam Achalu]]''' was elected by the largest margin?
* ... that Governor [[David B. Hill]] prevented New York from '''[[State censuses in the United States|carrying out a state census in 1885]]'''?
* ... that looming war between the Dacian king '''[[Burebista]]''' and [[Julius Caesar]] was preempted by the assassination of both leaders?
* ... that Icelandic chess grandmaster '''[[Margeir Pétursson]]''' founded the country's only commercial bank that did not crash during the [[Financial crisis of 2007–2008|financial crisis of 2007–08]]?
* ... that the '''[[Canales investigation]]''' heard 80 witnesses describing murders, kidnappings, and other crimes committed by the [[Texas Ranger Division|Texas Rangers]] in the early 20th century?
* ... that '''[[John Potter (chemist)|John Potter]]'''{{`s}} story of his role as a secret agent in [[German military administration in occupied France during World War II|occupied France]] was exposed as false only after his death?
* ... that people have suffered an [[Antabuse]]-type reaction from eating the '''[[Ampulloclitocybe clavipes|club foot]]''' mushroom and drinking alcohol?
===22 October 2017===
*'''''00:00, 22 October 2017 (UTC)'''''
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{{main page image|image=SpaceNanoDiamonds.jpg|caption=Artist's conception of a multitude of tiny diamonds next to a hot star|width=120x133|border=yes}}
</div>
* ... that '''[[extraterrestrial diamonds]]''' ''(pictured)'' in meteorites preserve their history from before the Solar System formed?
* ... that the family of [[Tejano]] lawmaker '''[[José Tomás Canales]]''' feared he would be assassinated during his 1919 investigation into the [[Texas Ranger Division|Texas Rangers]]?
* ... that ''[[Baahubali 2: The Conclusion]]'' is the '''[[List of highest-grossing films in India|highest grossing film in India]]''', with a domestic collection of over [[Indian rupee|₹]]12.53 billion?
* ... that '''[[Melahat Okuyan]]''', a Turkish female [[microbiology|microbiologist]] and AIDS activist, once proposed the establishment of [[Male brothel|male brothels]] for homosexuals and [[cross-dressing|cross-dresser]]s in order to improve public health?
* ... that the '''[[Coprinus sterquilinus|midden inkcap]]''' can be used as ink?
* ... that '''[[Krishna]]''' is the [[Hindu]] god of compassion, tenderness, and love?
* ... that '''[[Kamaishi Recovery Memorial Stadium|a host venue]]''' for the [[2019 Rugby World Cup]] will be built in [[Kamaishi, Iwate|Kamaishi]], which suffered major damage during the [[2011 Tōhoku earthquake and tsunami]]?
* ... that '''[[Agnes Robertson]]''' served in the [[Australian Senate]] until she was 79, and switched political parties at the age of 73?
===21 October 2017===
*'''''00:00, 21 October 2017 (UTC)'''''
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{{main page image|image=Elisabet Ney - Lady Macbeth - Detail.jpg|caption=''Lady Macbeth'', detail|width=120x133}}
</div>
* ... that [[Elisabet Ney]]'s '''''[[Lady Macbeth (sculpture)|Lady Macbeth]]''''' ''(detail pictured)'', whose face resembles the artist's own, has been interpreted as a [[self-portrait]] and expression of personal grief?
* ... that '''[[Reinforcement (speciation)|reinforcement]]''' is one of the few cases in which [[natural selection]] can directly influence the [[speciation|origin of new species]]?
* ... that [[Matt Page (artist)|'''Matt Page''']] humorously edited historical images to include [[Axl Rose]] eating snacks?
* ... that the Dominican amber ant '''''[[Odontomachus spinifer]]''''' was named for its very large spine?
* ... that '''[[Averil Mansfield]]''', a former president of the [[British Medical Association]], was Britain's first female professor of surgery?
* ... that '''[[Guizhou Plateau broadleaf and mixed forests|Guizhou Plateau forests]]''' are prone to drought stress despite high rainfall in the region?
* ... that '''[[N. Somana]]''' is one of only two [[Kodagu district]] politicians to be elected to the [[Lok Sabha]]?
* ... that [[Duke Huan of Qi]]'s corpse was left to rot in his bedchamber while his sons '''[[War of Qi's succession|fought for the throne]]''' of [[Qi (state)|Qi]]?
===20 October 2017===
*'''''00:00, 20 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Northern Rosella 3905.jpg|caption=Northern rosella|width=120x133}}<!--See [[Template:Main page image]] for other parameters-->
</div>
* ... that the '''[[northern rosella]]''' ''(pictured)'' was previously known as the smutty rosella?
* ... that Australian surgeon '''[[Helen Sexton]]''' came out of retirement to open a field hospital in France during World War I?
* ... that the [[United States Coast Guard]] and [[China Coast Guard]] regularly deploy officers aboard each other's vessels as a part of '''[[United States–China security cooperation]]'''?
* ... that out of the thirteen [[Nippon Professional Baseball]] seasons that have included '''[[interleague play (NPB)|interleague play]]''', the Pacific League has beaten the Central League in all but one?
* ... that '''[[Sheila Callender]]''' helped to establish the medical discipline of [[haematology]]?
* ... that '''[[Horastrea|blister coral]]''' was not recognised as a new species until 1971?
* ... that after '''[[Nagapattinam (Lok Sabha constituency)|Nagapattinam]]''' Member of Parliament '''[[S.G. Murugaiyan]]''' was killed in broad daylight, [[Communist Party of India|his party]] retained the seat in the subsequent '''[[Nagapattinam by-election, 1979|1979 by-election]]'''?
* ... that the discovery of a fossilized [[Common frog|frog]] in the '''[[Caves of Kesh]]''' in 1901 disproved a common belief that the species was only introduced into Ireland in 1699?
===19 October 2017===
*'''''00:00, 19 October 2017 (UTC)'''''
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{{main page image|image=Aerial view of Loggerhead Key, Dry Tortugas (8473755888).jpg|caption=Loggerhead Key|width=120x133}}
</div>
* ... that '''[[Loggerhead Key]]''' ''(pictured)'' was home to the Tortugas Laboratory, which performed some of the first research on Western Hemisphere [[mangrove]]s and [[coral reef]]s?
* ... that mezzo-soprano '''[[Patricia Johnson (mezzo-soprano)|Patricia Johnson]]''' appeared as [[Don Carlos|Eboli]] at the [[Deutsche Oper Berlin]], and created the roles of a [[Love's Labour's Lost (opera)|Nabokov Princess]] and a [[Der junge Lord|Henze Baroness]]?
* ... that the sea gastropod '''''[[Coriocella nigra]]''''' has an internal shell and four or five bosses on its body?
* ... that the workshop of '''[[August Volz]]''' supplied decorations for the [[Latvian National Opera]], [[Latvian National Theatre]], [[Latvian National Museum of Art]], and [[Art Academy of Latvia]]?
* ... that [[California High-Speed Rail]]'s proposed '''[[Pacheco Pass Tunnel]]''' is expected to become the longest rail tunnel in North America?
* ... that [[Heinrich Schütz]] published his '''''[[Symphoniae sacrae I]]''''', a collection of 20 "eloquent, sensitive, and often sensuous" settings of biblical texts, in 1629 in Venice, where he studied with [[Claudio Monteverdi|Monteverdi]]?<!-- Special occasion hook for 18 October-->
* ... that '''[[Selna Kaplan]]''' led the first clinical trials of artificial [[growth hormone]] in the United States?
* ... that the '''[[Lineus sanguineus|banded nemertean]]''' ribbon worm readily breaks into pieces, each of which can regenerate into a new individual within four weeks?
===18 October 2017===
*'''''00:15, 18 October 2017 (UTC)'''''
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{{main page image|image=St Paul's Cathedral Choir looking west, London, UK - Diliff.jpg|caption=St Paul's Cathedral Choir|width=120x133}}
</div>
* ... that in his '''[[Magnificat and Nunc dimittis for St Paul's Cathedral]]''' ''(interior pictured)'', [[Herbert Howells]] uses slow and spacious changes in harmony and tonality to suit the building's long echo?
* ... that following her diagnosis of terminal lung cancer, the [[Vogue (British magazine)|British ''Vogue'']] health editor [[Deborah Hutton (English editor)|'''Deborah Hutton''']] campaigned to raise awareness of the dangers of smoking for teenage girls?
* ... that '''[[Echinophyllia aspera|chalice coral]]''' and '''[[Oxypora lacera|porous lettuce coral]]''' can be confused underwater?
* ... that upon his retirement in January 1979, '''[[A. M. Aikin Jr.]]''' was the longest-tenured [[Texas Legislature|legislator]] in the history of [[Texas]]?
* ... that '''[[The Ex (target)|the Ex]]''' is a target practice mannequin that spouts blood when shot?
* ... that the name of the desert area '''[[Xiangshawan]]''' (literally, "resonant sand gorge") in [[Inner Mongolia]] derives from the loud boom and whistling sound created when sliding down its sand dune?
* ... that in the Credo section of his ''Missa Ave Marie'', composer '''[[Ludwig Daser]]''' clearly stated his Protestant beliefs to the Catholic court of [[Albert V, Duke of Bavaria]]?
* ... that '''''[[Chains of Love (TV series)|Chains of Love]]''''' was described as "televised prostitution"?
===17 October 2017===
*'''''00:30, 17 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Canan Bayram (2017).jpg|caption=Canan Bayram|width=120x133}}
</div>
* ... that '''[[Canan Bayram]]''' ''(pictured)'' was the only member of [[Alliance 90/The Greens]] directly elected to the German parliament in the [[German federal election, 2017|2017 election]]?
* ... that besides feeding on carpets, the larvae of the '''[[Anthrenus scrophulariae|common carpet beetle]]''' can destroy dried insects in collections?
* ... that '''[[Fawad Khan]]''' appeared in ''[[Eastern Eye]]''{{`s}} listing of the "50 Sexiest Asian Men" in 2014, 2015, and 2016?
* ... that '''[[Grangemoor Park]]''' in [[Cardiff]], Wales, was created on top of a former [[landfill]] site of household and commercial rubbish?
* ... that captured women and girls were sold for 10 to 20 [[Mexican peso|Mexican dollars]] during the '''[[Warlord Rebellion in northeastern Shandong]]'''?
* ... that although [[Pausanias (geographer)|Pausanias]] described '''[[Spintharus of Corinth]]''' as the architect of the [[Temple at Delphi]], subsequent historians have disagreed as to which temple he built?
* ... that the '''[[barred cuckoo-dove]]''' is similar to the '''[[little cuckoo-dove]]''', but is larger and darker, and is black-barred at the mantle, breast, covert, and tail?
* ... that one critic described the plot of '''''[[Nude for Satan]]''''' as "the Devil is bored and wants to have an orgy. Oh, and Calderoni gets molested by a giant spider"?
===16 October 2017===
*'''''00:45, 16 October 2017 (UTC)'''''
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{{main page image|image=USA Washington Olympia 60.jpg|caption=View of State Reception Room with Mohawk carpet|width=120x133}}
</div>
* ... that the '''[[State Reception Room]]''' ''(pictured)'' in [[Olympia, Washington]], has what was once the world's largest single-loom carpet?
* ... that after nearly six decades of collecting [[Inuit art|Inuit sculptures]] and other art, '''[[Jacqueline Shumiatcher|Jacqui Shumiatcher]]''' gifted 1,310 pieces valued at CAD$3 million to the University of Regina?
* ... that the earliest record of the '''[[Toronto (cocktail)|Toronto cocktail]]''' is from 1922, when the [[Toronto|city of Toronto]] was under [[Prohibition in Canada|prohibition]]?
* ... that '''[[Andy Boarman]]''' ran a popular music store and instrument workshop out of his [[Hedgesville, West Virginia|Hedgesville]] barber shop?
* ... that '''[[Pest control|pesticides]]''' may have detrimental effects on beneficial insects such as bees?
* ... that '''[[John D. Hoffman]]''' was the only member of the [[Manhattan District]] to be awarded the [[Soldier's Medal]], the United States Army's highest award for heroism in a non-combat situation?
* ... that based on genetic data, the '''[[western oriole]]''' and the [[green-headed oriole]] are sister species?
* ... that after viewing footage from his 1970 film '''''[[Serene Velocity]]''''', director [[Ernie Gehr]] felt nauseated?
===15 October 2017===
*'''''01:00, 15 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Actinodendron arboreum2.jpg|caption=[[Actinodendron arboreum|Hell's fire anemone]]|width=120x133}}
</div>
* ... that although most '''[[sea anemone]]s''' ''(example pictured)'' are harmless to humans, a few are venomous and some can be lethal?
* ... that '''[[Directorio Estudiantil Universitario|student activists]]''' joined forces with the military to overthrow the Cuban government during the 1933 '''[[Sergeants' Revolt]]'''?
* ... that in 1471, '''[[John de la Pole, 2nd Duke of Suffolk]]''', considered himself unable to attend [[Parliament of England |parliament]] in London with a sufficiently large retinue for a duke, and so refused to do so?
* ... that the restoration of the '''[[Niagara Apothecary]]''' has been described as "the most authentic restoration of its kind in Canada and perhaps in North America"?
* ... that '''[[H. Rex Lee]]''' was the last non-elected [[Governor of American Samoa]]?
* ... that the '''[[black-necked grebe]]''' is flightless for two months of the year?
* ... that '''[[Myron Prinzmetal]]''' gave his name to [[Prinzmetal's angina]], a type of chest pain that occurs at rest?
* ... that '''[[Qit'at Jaradah]]''', an island in the [[Persian Gulf]], rises only {{convert|0.4|m}} above water at high tide?
===14 October 2017===
*'''''01:15, 14 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Cinder Butte Fire, Oregon, 5 Aug 2017.jpg|caption=Cinder Butte Fire|width=120x133}}
</div>
* ... that in August 2017, the '''[[Cinder Butte Fire]]''' ''(pictured)'' threatened important [[archaeological site]]s in [[Central Oregon]]?
* ... that [[List of rulers of Wallachia|Prince of Wallachia]] '''[[Radu Paisie]]''' was deposed by his [[Ottoman Empire|Ottoman]] overlords in 1545, with measures taken to prevent his "abscond[ing] with the treasury"?
* ... that both sides in the '''[[Battle of Emmendingen]]''' lost their commanding general, [[Wilhelm von Wartensleben|one]] to a musket ball, [[Michel de Beaupuy|the other]] to a cannonball?
* ... that filmmaker '''[[Nicholas McCarthy (director)|Nicholas McCarthy]]''' and humorist [[John Hodgman]] co-edited a controversial high school magazine?
* ... that the '''[[Cerebratulus lacteus|milky ribbon worm]]''' feeds on [[soft-shell clam]]s, inserting its proboscis through the siphon and devouring the soft tissues?
* ... that until 1968, some 5,000 people on the "Indian List", so-called due to the automatic inclusion of [[Indigenous peoples in Canada|indigenous people]], were prohibited from buying liquor from '''[[BC Liquor Stores]]'''?
* ... that the butterfly '''''[[Calycopis pisis]]''''' has a junior [[Synonym (taxonomy)#Zoology|synonym]] named after American cartoonist [[Gary Larson]]?
* ... that '''[[Erich Mühe]]''', the first surgeon to remove a gallbladder by [[laparoscopy]], was initially mocked by his colleagues for performing "Mickey Mouse surgery"?
===13 October 2017===
*'''''01:30, 13 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=20170924 Optima Signature 02.jpg|caption=Optima Signature|width=120x133}}
</div>
* ... that residents of the top 15 floors of the '''[[Optima Signature]]''' ''(pictured)'' have access to a private club in the building?
* ... that the [[Roman consul]], [[Praefectus urbi|urban prefect]], and [[Jurist|jurisconsult]] '''[[Plotius Pegasus]]''' was named by his father, a naval commander, after a ship he commanded?
* ... that the '''[[New Britain bronzewing]]''' is rated as a "[[vulnerable species]]" because the population is in decline and there are fewer than 5,000 birds in total?
* ... that '''[[Christof Loy]]''' received the [[Der Faust (award)|Der Faust]] award for staging Mozart's ''[[Così fan tutte]]'' at the Frankfurt Opera?
* ... that '''[[Michele Strazzabosco]]''' played in a preseason game with the [[Buffalo Sabres]] prior to the [[2006–07 NHL season]], becoming the first [[Ice hockey in Italy|Italian-trained player]] to do so in National Hockey League history?
* ... that the so-called "Tibesti Soda Lake" at the bottom of the '''[[Trou au Natron]]''' volcanic caldera is actually a mineral crust composed of [[sodium carbonate]]?
* ... that '''[[Fannie Eleanor Williams]]''' created blood storage techniques used in the first Australian blood bank?
* ... that '''[[German People's Radio]]''' pretended to broadcast from within Germany, but was actually located in [[Moscow]]?
===12 October 2017===
*'''''01:45, 12 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Mourning of Muharram in cities and villages of Iran-342 16 (66).jpg|caption=''Nakhl Gardani'' ritual in Iran|width=120x133}}
</div>
* ... that '''''[[Nakhl Gardani]]''''' ''(pictured)'' is a ritual in which a woody structure symbolizing [[Husayn ibn Ali]]'s coffin is carried on the [[Ashura|day of Ashura]]?
* ... that in his 1960 '''''[[Quatre Motets sur des thèmes grégoriens]]''''', [[Maurice Duruflé]] "shows his particular genius for invoking the spiritual element of plainsong in a polyphonic context"?
* ... that the '''[[western bronze-naped pigeon]]''' is found in many countries across Africa?
* ... that former Dutch Chess Champion '''[[Jorden van Foreest]]''' is the great-great grandson of [[Arnold van Foreest]], a three-time Dutch Chess Champion?
* ... that in 1745, King Frederick II of Prussia came to be known as "[[Frederick the Great]]" after defeating Austria and Saxony in the '''[[Second Silesian War]]'''?
* ... that '''[[M.L. Tahaliyani]]''' sentenced [[Ajmal Kasab]] to [[Capital punishment in India|death]] for his role in the [[2008 Mumbai attacks]]?
* ... that the song "Why Didn't Rosemary?" from the 1969 album '''''[[Deep Purple (album)|Deep Purple]]''''' was inspired by the film ''[[Rosemary's Baby (film)|Rosemary's Baby]]''?
* ... that in 2014, '''[[Sarah Barrow]]''' won the first individual European gold medal for a female British diver in 87 years?
===11 October 2017===
*'''''02:00, 11 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Antonio Conte Dubai 2012.jpg|caption=Antonio Conte|width=120x133}}
</div>
* ... that [[Antonio Conte]] ''(pictured)'' is the only person to win the '''[[Serie A Coach of the Year]]''' award three times in a row?
* ... that '''[[Charles Macdonald (professor)|Charles Macdonald]]''' called for the creation of a single university for [[Nova Scotia]] in his inaugural address at [[Dalhousie College]]?
* ... that the '''[[scarlet-breasted fruit dove]]''' is normally a quiet bird, but sometimes emits deep, soft, ''oohoo'' calls?
* ... that '''[[Sharad Panday]]''' was a pioneer of bloodless open heart surgery in India?
* ... that the planthopper '''''[[Alicodoxa]]''''' is one of a number of insects found in both '''[[Rovno amber]]''' and [[Baltic amber]]?
* ... that in 1995, American filmmaker '''[[Mark Romanek videography|Mark Romanek directed]]''' two of the most expensive music videos ever made?
* ... that "'''[[Von guten Mächten]]'''", a poem written by [[Dietrich Bonhoeffer]] in prison in 1944 where he faced execution, became a hymn with several melodies?
* ... that the [[Association football|footballer]] '''[[George Poland]]''' was rejected by [[Cardiff City F.C.]] as an outfield player before making his debut two years later as a [[Goalkeeper (association football)|goalkeeper]]?
===10 October 2017===
*'''''02:15, 10 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Benty grange helm crop white.jpg|caption=Benty Grange helmet|width=120x133}}
</div>
* ... that warriors in the epic poem ''[[Beowulf]]'' wear helmets like the boar-crested '''[[Benty Grange helmet]]''' ''(pictured)''?
* ... that '''[[Leaena Tambyah]]''' founded Singapore's first school for children with multiple disabilities in 1979?
* ... that '''[[titanium dioxide nanoparticle]]s''' prevent cancer when used in [[sunscreen]]s, but may cause it if inhaled by production workers?<!--Special occasion hook for October 9-->
* ... that during '''[[Alton Parker presidential campaign, 1904|his Presidential campaign]]''', [[Alton B. Parker]] refused to criticize the [[lynching]]s and denial of [[Black suffrage]] in the [[Southern United States]]?
* ... that the '''[[Birka female Viking warrior]]''' has been described as a [[shield-maiden]] similar to [[Brienne of Tarth]] from ''[[Game of Thrones]]''?
* ... that the '''[[Comoros blue pigeon]]''' has a habit of perching in full sun and raising one wing to expose it to the sun?
* ... that "[[Mehmetçik]]", the common name for Ottoman and Turkish soldiers, is thought to commemorate '''[[Bigalı Mehmet Çavuş]]''', who fought during the [[Gallipoli Campaign]] in 1915?
* ... that '''[[The Rolling Stones]]''' are a British rock band? Okay, you probably did...
===9 October 2017===
*'''''02:30, 9 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=AlcedoHercules.jpg|caption=Blyth's kingfisher|width=120x133}}
</div>
* ... that the scientific name of the '''[[Blyth's kingfisher]]''' ''(pictured)'', which grows up to {{convert|23|cm|in|0|abbr=off}} long, derives from the Greek demigod [[Hercules]]?
* ... that in 2005 '''[[Atanasio Monserrate]]''' and two other ministers resigned from the [[Manohar Parrikar]]-led government, leaving it in a minority and thus prematurely bringing down the [[Government of Goa]]?
* ... that the '''[[Border Police of Georgia]]''' have continued to help enforce Georgian sovereignty over [[Abkhazia]] and [[South Ossetia]] since the end of the [[Russo-Georgian War]]?
* ... that larvae of the '''[[Corella eumyota|orange-tipped sea squirt]]''' are brooded, and settle on the seabed close to the parent within minutes of being released?
* ... that '''[[S. Sashikanth]]''' was an award-winning architect before launching his own film production company, '''[[Y NOT Studios]]'''?
* ... that even though he '''[[Samuel Tilden presidential campaign, 1876|won the popular vote by a 51–48% margin]]''', [[Samuel J. Tilden]] failed to win the U.S. presidency in 1876?
* ... that '''[[Eugene Reimer]]''', who played wheelchair basketball with [[Terry Fox]] and [[Rick Hansen]], was the first disabled athlete to receive the [[Order of Canada]]?
* ... that hall of fame horse '''[[Eternal Sun]]'''{{`s}} owner purchased him with an IOU written on a corner torn from the page of the seller's catalog?
===8 October 2017===
*'''''02:45, 8 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=1951 Muntz.jpg|caption=1951 Muntz Jet|width=120x133}}
</div>
* ... that the '''[[Muntz Jet]]''' ''(pictured)'' was a car that came with the option of a liquor cabinet and ice chest under the rear seat armrests?
* ... that '''[[Alison Van Eenennaam]]''' is working on a collaborative research project focused on the production of hornless dairy cattle through [[Genome editing|gene editing]]?
* ... that when [[Pál Turán]] was forced to work in a brick factory during World War II, the bumpy crossings of the cart tracks inspired him to ask '''[[Turán's brick factory problem|how to draw graphs with few crossings]]'''?
* ... that '''[[Fragmentarium]]''' digital research laboratory hopes to reunite lost fragments of medieval manuscripts''?
* ... that despite being urged to do so, [[William Jennings Bryan]] '''[[William Jennings Bryan presidential campaign, 1900|refused to drop his free silver plank when he ran for U.S. President in 1900]]'''?
* ... that a 13-city tour for '''''[[Just the Beginning (Grace VanderWaal album)|Just the Beginning]]''''', a November 2017 album release by 13-year-old ''[[America's Got Talent]]'' winner [[Grace VanderWaal]], sold out in September?
* ...that the '''[[Forrest's pika]]''' has at different times been treated as a subspecies of the [[Moupin pika]], the [[Royle's pika]], and the [[steppe pika]]?
* ... that '''[[Jason Chee (para-athlete)|Jason Chee]]''' won a gold medal in table tennis despite losing both his legs, his left arm, one right finger, and his right eye?
===7 October 2017===
*'''''03:00, 7 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Tiziano Vecellio,called Titian - Gipsy Madonna - Google Art Project.jpg|caption=''Gypsy Madonna'', Titian, 1510–11|width=120x133}}
</div>
* ... that the landscape in [[Titian]]'s '''''[[The Gypsy Madonna|Gypsy Madonna]]''''' ''(pictured)'' virtually repeats part of that in the ''[[Dresden Venus]]''?
* ... that [[Horace Greeley]] died shortly after he '''[[Horace Greeley presidential campaign, 1872|lost the U.S. Presidency to Ulysses S. Grant]]'''?
* ... that the '''[[Thomas's pika]]''' is [[Sympatry|sympatric]] with the [[Gansu pika]]?
* ... that '''[[Annie Nicolette Zadoks Josephus Jitta]]'''{{`s}} unusual name inspired a book?
* ... that '''[[Soviet Census (1979)|18 cities in the Soviet Union had a population of at least one million]]''' in 1979?
* ... that in the American scholar '''[[Scott Rozelle]]'''{{`s}} 30-year career as a development economist, he has been mostly concerned with children's health conditions in rural China?
* ... that the '''[[Philippine cuckoo-dove]]''' was formerly listed as a subspecies of the '''[[ruddy cuckoo-dove]]''' and the [[brown cuckoo-dove]]?
* ... that a 1912 party hosted by '''[[Vine Colby]]''' made the news for its originality?
===6 October 2017===
*'''''03:15, 6 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Alice par John Tenniel 04.png|caption=Alice by [[John Tenniel]]|width=120x133}}
</div>
* ... that [[Lewis Carroll]] may have based '''[[Alice (Alice's Adventures in Wonderland)|Alice]]''' ''(pictured)'' on [[Alice Liddell|Alice]]?
* ... that the [[Olympia, Washington]] war memorial '''''[[Winged Victory (statue)|Winged Victory]]''''' features a [[American Red Cross|Red Cross]] nurse?
* ... that [[House of Lancaster|Lancastrian]] lord '''[[John Clifford, 9th Baron Clifford|John Clifford]]''' was killed, possibly by an arrow in the throat, while the main Lancastrian army was only a few miles away?
* ... that in 1974, [[Mattoon, Illinois]]'s '''[[Cross County Mall (Illinois)|Cross County Mall]]''' became the first shopping center in the US to have [[J. C. Penney]], [[Sears]], and [[Kmart]], then the nation's three largest retailers?
* ... that as UK secretary in the Economic Directorate of the [[Allied Control Council]] in post-war Berlin, '''[[Lorna Arnold]]''' slept with a revolver under her pillow?
* ... that songs and books for children often depict happy '''[[Animal husbandry|farm animals]]''' in attractive countryside, glossing over the realities of impersonal, mechanized activities involved in modern intensive farming?
* ... that twin sisters Bertha and '''[[Bernice C. Downing]]''' became owners and publishers of the ''Santa Clara Journal'' when they were 17 years old?
* ... that the '''[[black-backed forktail]]''' has a call reminiscent of a squeaky hinge?
===5 October 2017===
*'''''03:30, 5 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Siphopteron quadrispinosum copulating.png|caption=''[[Siphopteron quadrispinosum]]'' copulating|width=120x133}}
</div>
* ... that while mating, some species of '''[[Gastropteridae|bat-winged slugs]]''' ''(pictured)'' stab each other with a two-pronged penis?
* ... that after '''[[William Lunn (educator)|William Lunn]]'''{{`s}} wedding, people destroyed the door of a police watch house in [[Montreal]]?
* ... that [[Nicholas Nabokov]] composed an opera '''''[[Love's Labour's Lost (opera)|Love's Labour's Lost]]''''', setting the same play by Shakespeare as the fictional hero of Mann's ''[[Doctor Faustus (novel)|Doctor Faustus]]'', "in a spirit of the most artificial mockery"?
* ... that '''[[Christine Murrell]]''' was the first woman elected to the British [[General Medical Council]], but died before she could take her seat?
* ... that the [[Central Valley (California)|California Central Valley]] city of [[Porterville, California|Porterville]] purchased an abandoned rail right-of-way to preserve it for the proposed '''[[Cross Valley Corridor]]''' passenger rail service?
* ... that Judge '''[[Orfa Jean Shontz]]''' created an all-female [[juvenile court]] with a homelike setting?
* ... that the '''[[Ethiopian highland hare]]''' was originally described as a subspecies of the [[Cape hare]], but it was later raised to full species status?
* ... that when operatic soprano '''[[Cynthia Clarey]]'''{{`s}} voice lowered with age, she took up [[cabaret]] singing instead?
===4 October 2017===
*'''''03:45, 4 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=A pink triangle against a black backdrop with the words 'Silence=Death' representing an advertisement for The Silence = Death Project used by permission by ACT-UP, The AIDS Coalition To Unleash Power. Wellcome L0052822.jpg|caption=''Silence=Death'' poster|width=120x133}}
</div>
* ... that after ''[[Silence=Death Project|Silence=Death]]'' posters ''(pictured)'' appeared around [[Manhattan]], '''[[William Olander]]''' created a [[New Museum]] exhibit highlighting public indifference to AIDS victims?
* ... that '''''[[Linguamyrmex|Linguamyrmex vladi]]''''' is named for [[Vlad the Impaler]], who was the inspiration for [[Count Dracula]]?
* ... that accordionist '''[[Vincent Peirani]]''' and pianist [[Michael Wollny]], both multiple [[ECHO Jazz]] winners, recorded the "symbiotic" album ''Tandem''?
* ... that during the '''[[Sprague Fire]]''' in [[Glacier National Park (U.S.)|Glacier National Park]], the interior of the historic [[Sperry Chalet]] completely burned, leaving only the exterior stone walls standing?
* ... that '''[[The Inquiry]]''', a study group established by US President [[Woodrow Wilson]] to make recommendations for the 1919 [[Paris Peace Conference, 1919|Paris Peace Conference]], suggested that Crimea should be given to Ukraine?
* ... that '''[[Tajama Abraham]]''' survived [[Hurricane Hugo]] by hiding in a commercial refrigerator with her family?
* ... that the '''[[plain-breasted piculet]]''' is usually inconspicuous but may be detected by the pecking sounds it makes while foraging?
* ... that the lack of breakfast pushed '''[[Mab Copland Lineman]]''' to fight against a [[Trade union|labor union]]?
===3 October 2017===
*'''''04:00, 3 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Groom drinking from bottle during Chinese wedding door game.jpg|caption=A Chinese wedding door game in action|width=120x133}}
</div>
* ... that as part of Chinese weddings, the groom may be made to swallow pungent [[wasabi]], [[chilli padi]], and bitter tea '''[[Chinese wedding door games|before receiving the bride]]''' at her family home?
* ... that '''[[Jane Frances Winn]]''' was one of the first female journalists to cover women's [[golf]] events?
* ... that the producers of "'''[[Drew Live II]]'''" kept many elements of the episode a secret from the cast?
* ... that '''[[Yttralox]]''', a [[Transparent ceramics|transparent ceramic]], was accidentally discovered in the course of fuel cell research in the mid-1960s?
* ... that the limpet '''''[[Iothia emarginuloides]]''''' is commonly found on the red alga '''''[[Phyllophora antarctica]]''''' growing under the Antarctic [[sea ice]]?
* ... that Wolfgang Rihm's opera '''''[[Dionysos (opera)|Dionysos]]''''', with a libretto by Rihm using only words by [[Friedrich Nietzsche|Nietzsche]], was first performed at the [[Salzburg Festival]] and called [[Opernwelt|premiere of the year]]?
* ... that a middle-class terrorist organization known as '''[[ABC (Cuba)|el ABC]]''' successfully lobbied for two cabinet positions in the 1933 provisional government of [[Cuba]]?
* ... that before his death at the [[Battle of Barnet]] in 1471, '''[[John Neville, 1st Marquess of Montagu|John Neville]]''' was reported to be in the thick of the fighting and "cutting off arms and heads like a hero of romance"?
===2 October 2017===
*'''''04:15, 2 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Lydia Zvereva diploma cr.jpg|caption=Lydia Zvereva|width=120x133}}
</div>
* ... that '''[[Lydia Zvereva]]''' ''(pictured)'' was the first Russian woman to earn a pilot's license?
* ... that the '''[[alpine pika]]''' can produce three different vocalizations: a long call during the mating season, a short call, and an alarm call when threatened?
* ... that the phrase "Rum, Romanism, and Rebellion" helped '''[[Grover Cleveland presidential campaign, 1884|Grover Cleveland win the 1884 U.S. Presidential election]]'''?
* ... that [[Kingdom of Prussia|Prussia]] entered a secret armistice with [[Habsburg Monarchy|Austria]] in October 1741, but [[Frederick the Great]] pretended to continue fighting the '''[[First Silesian War]]''' for another two months?
* ... that '''[[Caroline B. Winslow]]''' opened the Homeopathic Free Dispensary, the first facility in [[Washington, D.C.]] where women doctors could practice side-by-side with their male colleagues?
* ... that [[Johannes Brahms]] used the same melody for a song of his '''[[Fünf Lieder, Op. 105 (Brahms)|''Fünf Lieder'', Op. 105]]''', as for the theme of the slow movement of [[Piano Concerto No. 2 (Brahms)|his second piano concerto]]?
* ... that a [[Jinping-II Dam|hydroelectric diversion project]] and a [[China Jinping Underground Laboratory|dark matter research lab]] have been developed deep under the '''[[Jinping Mountains]]''' in Sichuan, China?
* ... that '''[[Don Amador]]''' is portrayed in the film ''[[Milk (film)|Milk]]'' by his friend [[Cleve Jones]], while Jones is portrayed by [[Emile Hirsch]]?
===1 October 2017===
*'''''04:30, 1 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Gran Palacio, Bangkok, Tailandia, 2013-08-22, DD 57 (Cropped).jpg|caption=Royal Nine-Tiered Umbrella over the Phuttan Kanchana­singhat Throne|width=120x133}}
</div>
* ... that until the '''[[coronation of the Thai monarch]]''' is completed, the ruler is considered only a [[regent]] and may not sit under the [[Royal Nine-Tiered Umbrella]] ''(pictured)''?
* ... that by winning the '''[[2013 Monaco GP2 Series round|2013 Monaco GP2 Series sprint race]]''', [[Stefano Coletti]] became the first Monegasque racing driver to win a motor race in Monaco since [[Louis Chiron]] in [[1931 Monaco Grand Prix|1931]]?
* ... that '''[[Sayaka Harada]]''' decided to become a [[Voice acting in Japan|voice actress]] in [[anime]] despite not having watched many Japanese cartoons?
* ... that Californians have a right to access [[medical aid in dying]] under the '''[[California End of Life Option Act]]'''?
* ... that coloratura soprano '''[[Joan Carroll (soprano)|Joan Carroll]]''' appeared as Alban Berg's [[Lulu (opera)|Lulu]] more than 100 times, including the U.S. premiere at the [[Santa Fe Opera]]?
* ... that Tibet's '''[[Moupin pika]]''' is a burrowing mammal that makes [[hay]]piles to store food?
* ... that '''[[Gene Rambo]]''' won the International Rodeo Association all-around championship four times?
* ... that 21 of the 26 [[List of Michelin 3-star restaurants|Michelin 3-star restaurants]] in Paris serve '''[[Kaluga Queen|Kaluga Queen caviar]]'''?
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==Did you know...==
''Please add the line <tt><nowiki>==={{subst:CURRENTDAY}} {{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}===</nowiki></tt> for each new day and the time the set was removed from the DYK template at the top for the newly posted set of archived hooks. This will ensure all times are based on UTC time and accurate. This page should be archived once a month. Thanks.
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===31 October 2017===
*'''''00:00, 31 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Onesimus Ustonson 1772 invoice and receipt (cropped).jpg|caption=Ustonson invoice|width=120x133}}
</div>
* ... that '''[[Onesimus Ustonson]]''' ''(invoice pictured)'' supplied fishing tackle to the naturalist [[Joseph Banks]] for the [[second voyage of James Cook]]?
* ... that the '''[[Ethiopian hare]]''' is endemic to Africa, and is found in the [[Afromontane|Afromontane Biozone]] of Ethiopia and the borders of the [[Sudanian Savanna|Sudanian Savanna Biozone]]?
* ... that during the [[Dubin Inquiry]], lead counsel '''[[Robert P. Armstrong]]''' questioned Canadian sprinter [[Ben Johnson (sprinter)|Ben Johnson]] about his [[anabolic steroid]] use?
* ... that officers from the [[Albuquerque Police Department]] lied to the ''[[Albuquerque Journal]]'' when providing details regarding the '''[[death of Victoria Martens]]'''?
* ... that a '''[[GRIM test]]''' on a sample of published psychology articles revealed that over half contained at least one mathematically impossible result?
* ... that '''[[Catie Munnings]]''', winner of the [[2016 European Rally Championship|2016 FIA European Rally Championship Ladies' Trophy]], was the first British driver to win a European rally title in 49 years?
* ... that the '''[[Musca sorbens|bazaar fly]]''' is a vector for [[trachoma]], the leading global cause of preventable [[blindness]]?
* ... that instead of giving the [[List of Keys to the City in Canada#Calgary|keys to the city]] to visiting dignitaries, the mayor of [[Calgary]] "'''[[Calgary White Hat|white hats]]'''" them?
===30 October 2017===
*'''''00:00, 30 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Stan McDougall VC A05155.jpg|caption=Stanley McDougall|width=120x133}}
</div>
* ... that Sergeant [[Stanley McDougall]] ''(pictured)'' was awarded the [[Victoria Cross]] for single-handedly killing many Germans with a [[Lewis gun]] during the '''[[First Battle of Dernancourt]]'''?
* ... that [[Francis Poulenc]] composed the [[motet]]s for male voices '''''[[Quatre petites prières de saint François d'Assise]]''''' on the request of a relative who was a [[Franciscans|Franciscan friar]]?
* ... that the film '''''[[Nude (2017 American film)|NUDE]]''''' is about a talent search that was inspired by the [[Pirelli Calendar]]s of the 1970s?<!--Special occasion hook for 29 October-->
* ... that '''[[Jean Ginsburg]]''' established one of the first clinics in Britain for menopausal women?
* ... that [[Brigham Young University|Brigham Young Unversity's]] '''[[International Harp Archive]]''' has more than 11,000 scores and sound recordings that feature the harp?
* ... that [[National Assembly of People's Power|Cuban parliamentarian]] '''[[Teté Puebla]]''' is the first female [[general]] in the nation's history?
* ... that when breeding, the polychaete worm '''''[[Syllis prolifera]]''''' produces a detachable "[[stolon]]" which joins other stolons to swarm in the [[water column]]?
* ... that [[Usain Bolt]] and [[Roger Federer]] have each won the '''[[Laureus World Sports Award for Sportsman of the Year]]''' a record four times since its inception in 2000?
===29 October 2017===
*'''''00:00, 29 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Antonov An-70 in 2008.jpg|caption=An-70 during take-off|width=120x133}}
</div>
* ... that the '''[[Antonov An-70]]''' ''(pictured)'' was the first aircraft to take flight powered only by [[propfan]]s?
* ... that computer science lecturer '''[[Cynthia B. Lee]]''' promoted the use of gender-neutral language across her department at [[Stanford University]]?
* ... that '''[[Topolnița Cave]]''' is home to the largest colony of [[greater horseshoe bat]]s in Europe?
* ... that the brief biographies of Italian artists by the '''[[Anonimo Gaddiano]]''' were written before [[Lives of the Most Excellent Painters, Sculptors, and Architects|Vasari's ''Lives'']] of 1550, but not published until 1892?
* ... that '''[[Cranston Public Library]]''' delivered 4,657 items to homebound residents of [[Cranston, Rhode Island]], in 2016 alone?
* ... that Czech linguist '''[[Miroslav Komárek]]''' spent his entire six-decade academic career at [[Palacký University]] in [[Olomouc]]?
* ... that in 2013, the '''[[Boston Irish Famine Memorial|Irish Famine Memorial]]''' was described as "the most mocked and reviled public sculpture in [[Boston]]"?
* ... that [[Floor (band)|Floor]]'s use of the "bomb string" on their album '''''[[Oblation (album)|Oblation]]''''' was described as "a guitar string tuned so low it flaps like a pensioner's [[Anthropometry of the upper arm|bingo wing]]"?
===28 October 2017===
*'''''00:00, 28 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=JFK_AirTrain.agr.jpg|caption=AirTrain JFK vehicle|width=120x133}}
</div>
* ... that '''[[AirTrain JFK]]''' ''(vehicle pictured)'', an [[airport rail link]] in New York City, took almost 30 years to plan?
* ... that '''[[Eleri Rees]]''' became a judge without ever practising as a barrister?
* ... that a '''[[Vector General|Vector General 3D]]''' terminal was used to create the 3D animation near the end of the original ''[[Star Wars]]''?
* ... that '''[[Karam Singh]]''' was the first living recipient of the [[Param Vir Chakra]], India's highest military decoration?
* ... that [[Drake (musician)|Drake]]'s song "'''[[KMT (song)|KMT]]'''" sampled the theme "His World" from the 2006 video game ''[[Sonic the Hedgehog (2006 video game)|Sonic the Hedgehog]]''?
* ... that the '''[[1982 Bristow Helicopters Bell 212 crash]]''' was one of three fatal helicopter accidents [[Bristow Helicopters]] suffered in little more than a year in the [[North Sea]]?
* ... that the musicologist '''[[Beatrix Borchard]]''' researched female musicians such as [[Clara Schumann]], [[Amalie Joachim]], and [[Pauline Viardot]], and worked for the [[Goethe-Institut]] in Portugal, Romania, and China?
* ... that a global search yielded two mating partners for [[Jeremy (snail)|'''Jeremy''']], a rare left-coiled [[Cornu aspersum|snail]], but they began to mate with each other instead?
===27 October 2017===
*'''''00:00, 27 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=TNN24 - Royal crematorium of King Bhumibol (1) cropped.jpg|caption=Cremation pyre for King [[Bhumibol Adulyadej]]|width=120x133}}
</div>
* ... that the cremation pyres ''(example pictured)'' built for '''[[Thai royal funeral]]s''' symbolize [[Mount Meru]], the Hindu centre of the universe?<!-- Special occasion hook for 26 October-->
* ... that '''[[Robert Traill (clergyman)|Robert Traill]]''' was featured in an episode of ''[[Victoria (UK TV series)|Victoria]]'', written by his great-great-great-granddaughter [[Daisy Goodwin]]?
* ... that the '''[[Arago hotspot]]''' may have been creating volcanoes, islands, [[atoll]]s, and [[seamount]]s such as [[Îles Maria]], [[Tuvalu]], and the [[Marshall Islands]] for the past 120 million years?
* ... that '''[[John de Mowbray, 2nd Duke of Norfolk]]'''{{`s}} preparations for the 1415 [[Battle of Agincourt|Agincourt campaign]] cost him £2,000 and included a seat for his own toilet?
* ... that during the summer of 2017, the '''[[Milli Fire]]''' burned over {{convert|24000|acre|km2}} of forest land in Oregon, much of it in the [[Three Sisters Wilderness]] area?
* ... that '''[[Altan Xire]]''', the main [[Townships of the People's Republic of China|township]] of a [[Ejin Horo Banner|rural county]] in Inner Mongolia, has an extensive urban skyline?
* ... that the first opera by '''[[Andrea Lorenzo Scartazzini]]''' premiered at the [[Theater Erfurt]], the second at the [[Theater Basel]], and the third at the [[Deutsche Oper Berlin]] in 2017?
* ... that '''[[The Black Swan, Oldstead|The Black Swan at Oldstead]]''' is rated the best restaurant in the world by [[TripAdvisor]]?
===26 October 2017===
*'''''00:00, 26 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Schizomyia viticola galls.jpg|caption=''S. viticola'' galls |width=120x133}}
</div>
* ... that although the [[gall midge]] '''''[[Schizomyia viticola]]''''' can produce up to 135 [[gall]]s ''(pictured)'' on a single grape vine leaf, the plant is not harmed?
* ... that the hymn "'''[[Den Herren will ich loben]]'''", which [[Maria Luise Thurmair]] based on the [[Magnificat]] to [[Valet will ich dir geben|a popular 1613 melody]], was arranged with trumpets and timpani for a papal visit in Munich's Frauenkirche?
* ... that '''[[Ashley Hatch]]''' was named [[NWSL awards#Rookie of the Year|2017 NWSL Rookie of the Year]] and helped the [[North Carolina Courage]] win the [[NWSL Shield|2017 NWSL Shield]], scoring seven goals in 24 games?
* ... that the '''[[Mackinlay's cuckoo-dove]]''' can be distinguished from the '''[[bar-tailed cuckoo-dove]]''' by the dark spotting on the breast of the former caused by bifurcating feathers?
* ... that Latvian-born '''[[Lazar Bach]]''' became chair of the Communist Party of South Africa, but died in a [[Gulag]]?
* ... that the '''[[The Ridiculously Self-Indulgent, Ill-Advised Vanity Tour|new tour]]''' by [["Weird Al" Yankovic]] focuses on Yankovic's original songs, as opposed to his staple [[parody music|parody songs]]?
* ... that researchers found that sending '''[[birthday card]]s''' to 21-year-olds did not help reduce [[Binge drinking|harmful birthday drinking]]?
* ... that '''[[Abbie Hutty]]''' hopes there really ''is'' [[life on Mars]]?
===25 October 2017===
*'''''00:00, 25 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Siegfried Fietz 2012.jpg|caption=Siegfried Fietz|width=120x133}}
</div>
* ... that '''[[Siegfried Fietz]]''' ''(pictured)'' wrote a popular melody for "[[Von guten Mächten]]", one of more than 3,000 song melodies he composed?
* ... that in a sample of [[systematic review|medical reviews]], useless treatments were just as likely to be '''[[Further research is needed|recommended for further research]]''' as were useful treatments?
* ... that '''[[Theresa Goell]]''' spent much of her life working on excavations at [[Nemrud Dagh]] in Turkey, but never discovered the tomb of [[Antiochus I of Commagene]] that she hoped to find there?
* ... that the coral '''''[[Pocillopora elegans]]''''' is considered "[[Vulnerable species|vulnerable]]" after being severely depleted in the eastern Pacific during the 1982–1983 [[El Niño–Southern Oscillation|El Niño event]]?
* ... that [[Rebecca Thomas]] wrote and directed '''''[[Electrick Children]]''''', a film with a budget of US$1 million, while she was still a university student?
* ... that [[Everything Everything]]'s third album, '''''[[Get to Heaven]]''''', was at one point bookmakers' favourite for the 2015 [[Mercury Prize]], but was ultimately not even nominated?
* ... that '''[[Niaz A. Naik]]''' played a pivotal role in back-channel talks during the [[Kargil War]] between India and Pakistan?
* ... that "'''[[Old Love / New Love]]'''" was written by [[Twin Shadow]] for a [[Grand Theft Auto V soundtrack|fictional radio station]]?
* ... that the forged [[Morey letter]] may have helped 1880 U.S. Presidential candidate [[Winfield S. Hancock]] '''[[Winfield Hancock presidential campaign, 1880|win California and Nevada]]'''?
===24 October 2017===
*'''''00:00, 24 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=File:Rupes Tenuis perspective view ESA240369.jpg|caption=Perspective view of Rupes Tenuis on Mars|width=120x133}}
</div>
* ... that '''[[Rupes Tenuis]]''' ''(pictured)'', the [[Mars|Martian]] north polar scarp, may have been in retreat since the Late [[Amazonian (Mars)|Amazonian period]]?
* ... that '''[[Leo Nocentelli]]''' was one of the primary songwriters of the [[New Orleans]] funk band [[The Meters]]?
* ... that the '''[[2017 Vegas eRace]]''' carried a total prize fund of $1 million, the largest in [[eSports]] racing history?
* ... that '''[[Karim Morani]]''' teamed up with [[Shah Rukh Khan]] in 2013 to co-produce the commercially successful film ''[[Chennai Express]]''?
* ... that the forged [[Morey letter]] may have helped 1880 U.S. Presidential candidate [[Winfield S. Hancock]] '''[[Winfield Hancock presidential campaign, 1880|win California and Nevada]]'''?
* ... that the Chinese government sponsors a [[gangsta rap]] group called '''[[CD Rev]]'''?
* ... that although [[Arthur Schopenhauer]] had not invited her and initially refused to cooperate, [[Elisabet Ney]] nevertheless sculpted his '''[[Arthur Schopenhauer (sculpture)|portrait bust]]'''?
* ... that '''[[Sam Bosworth]]''' is the first male [[Coxswain (rowing)|coxswain]] to win an [[International Rowing Federation#Events|international elite rowing event]] with a female crew?
===23 October 2017===
*'''''00:00, 23 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Rhipicephalus-pulchellus-male.jpg|caption=Male ''R. pulchellus''|width=120x133}}
</div>
* ... that '''''[[Rhipicephalus pulchellus]]''''' ''(pictured)'' is sometimes known by its [[common name]] "the zebra [[tick]]", both because zebras are one of its main [[host (biology)|host]]s and because of the males' black and white ornamentation?
* ... that in the [[Indian general election, 1951–52|1951–52 Indian general election]], the 27-year old '''[[Sunkam Achalu]]''' was elected by the largest margin?
* ... that Governor [[David B. Hill]] prevented New York from '''[[State censuses in the United States|carrying out a state census in 1885]]'''?
* ... that looming war between the Dacian king '''[[Burebista]]''' and [[Julius Caesar]] was preempted by the assassination of both leaders?
* ... that Icelandic chess grandmaster '''[[Margeir Pétursson]]''' founded the country's only commercial bank that did not crash during the [[Financial crisis of 2007–2008|financial crisis of 2007–08]]?
* ... that the '''[[Canales investigation]]''' heard 80 witnesses describing murders, kidnappings, and other crimes committed by the [[Texas Ranger Division|Texas Rangers]] in the early 20th century?
* ... that '''[[John Potter (chemist)|John Potter]]'''{{`s}} story of his role as a secret agent in [[German military administration in occupied France during World War II|occupied France]] was exposed as false only after his death?
* ... that people have suffered an [[Antabuse]]-type reaction from eating the '''[[Ampulloclitocybe clavipes|club foot]]''' mushroom and drinking alcohol?
===22 October 2017===
*'''''00:00, 22 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=SpaceNanoDiamonds.jpg|caption=Artist's conception of a multitude of tiny diamonds next to a hot star|width=120x133|border=yes}}
</div>
* ... that '''[[extraterrestrial diamonds]]''' ''(pictured)'' in meteorites preserve their history from before the Solar System formed?
* ... that the family of [[Tejano]] lawmaker '''[[José Tomás Canales]]''' feared he would be assassinated during his 1919 investigation into the [[Texas Ranger Division|Texas Rangers]]?
* ... that ''[[Baahubali 2: The Conclusion]]'' is the '''[[List of highest-grossing films in India|highest grossing film in India]]''', with a domestic collection of over [[Indian rupee|₹]]12.53 billion?
* ... that '''[[Melahat Okuyan]]''', a Turkish female [[microbiology|microbiologist]] and AIDS activist, once proposed the establishment of [[Male brothel|male brothels]] for homosexuals and [[cross-dressing|cross-dresser]]s in order to improve public health?
* ... that the '''[[Coprinus sterquilinus|midden inkcap]]''' can be used as ink?
* ... that '''[[Krishna]]''' is the [[Hindu]] god of compassion, tenderness, and love?
* ... that '''[[Kamaishi Recovery Memorial Stadium|a host venue]]''' for the [[2019 Rugby World Cup]] will be built in [[Kamaishi, Iwate|Kamaishi]], which suffered major damage during the [[2011 Tōhoku earthquake and tsunami]]?
* ... that '''[[Agnes Robertson]]''' served in the [[Australian Senate]] until she was 79, and switched political parties at the age of 73?
===21 October 2017===
*'''''00:00, 21 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Elisabet Ney - Lady Macbeth - Detail.jpg|caption=''Lady Macbeth'', detail|width=120x133}}
</div>
* ... that [[Elisabet Ney]]'s '''''[[Lady Macbeth (sculpture)|Lady Macbeth]]''''' ''(detail pictured)'', whose face resembles the artist's own, has been interpreted as a [[self-portrait]] and expression of personal grief?
* ... that '''[[Reinforcement (speciation)|reinforcement]]''' is one of the few cases in which [[natural selection]] can directly influence the [[speciation|origin of new species]]?
* ... that [[Matt Page (artist)|'''Matt Page''']] humorously edited historical images to include [[Axl Rose]] eating snacks?
* ... that the Dominican amber ant '''''[[Odontomachus spinifer]]''''' was named for its very large spine?
* ... that '''[[Averil Mansfield]]''', a former president of the [[British Medical Association]], was Britain's first female professor of surgery?
* ... that '''[[Guizhou Plateau broadleaf and mixed forests|Guizhou Plateau forests]]''' are prone to drought stress despite high rainfall in the region?
* ... that '''[[N. Somana]]''' is one of only two [[Kodagu district]] politicians to be elected to the [[Lok Sabha]]?
* ... that [[Duke Huan of Qi]]'s corpse was left to rot in his bedchamber while his sons '''[[War of Qi's succession|fought for the throne]]''' of [[Qi (state)|Qi]]?
===20 October 2017===
*'''''00:00, 20 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Northern Rosella 3905.jpg|caption=Northern rosella|width=120x133}}<!--See [[Template:Main page image]] for other parameters-->
</div>
* ... that the '''[[northern rosella]]''' ''(pictured)'' was previously known as the smutty rosella?
* ... that Australian surgeon '''[[Helen Sexton]]''' came out of retirement to open a field hospital in France during World War I?
* ... that the [[United States Coast Guard]] and [[China Coast Guard]] regularly deploy officers aboard each other's vessels as a part of '''[[United States–China security cooperation]]'''?
* ... that out of the thirteen [[Nippon Professional Baseball]] seasons that have included '''[[interleague play (NPB)|interleague play]]''', the Pacific League has beaten the Central League in all but one?
* ... that '''[[Sheila Callender]]''' helped to establish the medical discipline of [[haematology]]?
* ... that '''[[Horastrea|blister coral]]''' was not recognised as a new species until 1971?
* ... that after '''[[Nagapattinam (Lok Sabha constituency)|Nagapattinam]]''' Member of Parliament '''[[S.G. Murugaiyan]]''' was killed in broad daylight, [[Communist Party of India|his party]] retained the seat in the subsequent '''[[Nagapattinam by-election, 1979|1979 by-election]]'''?
* ... that the discovery of a fossilized [[Common frog|frog]] in the '''[[Caves of Kesh]]''' in 1901 disproved a common belief that the species was only introduced into Ireland in 1699?
===19 October 2017===
*'''''00:00, 19 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Aerial view of Loggerhead Key, Dry Tortugas (8473755888).jpg|caption=Loggerhead Key|width=120x133}}
</div>
* ... that '''[[Loggerhead Key]]''' ''(pictured)'' was home to the Tortugas Laboratory, which performed some of the first research on Western Hemisphere [[mangrove]]s and [[coral reef]]s?
* ... that mezzo-soprano '''[[Patricia Johnson (mezzo-soprano)|Patricia Johnson]]''' appeared as [[Don Carlos|Eboli]] at the [[Deutsche Oper Berlin]], and created the roles of a [[Love's Labour's Lost (opera)|Nabokov Princess]] and a [[Der junge Lord|Henze Baroness]]?
* ... that the sea gastropod '''''[[Coriocella nigra]]''''' has an internal shell and four or five bosses on its body?
* ... that the workshop of '''[[August Volz]]''' supplied decorations for the [[Latvian National Opera]], [[Latvian National Theatre]], [[Latvian National Museum of Art]], and [[Art Academy of Latvia]]?
* ... that [[California High-Speed Rail]]'s proposed '''[[Pacheco Pass Tunnel]]''' is expected to become the longest rail tunnel in North America?
* ... that [[Heinrich Schütz]] published his '''''[[Symphoniae sacrae I]]''''', a collection of 20 "eloquent, sensitive, and often sensuous" settings of biblical texts, in 1629 in Venice, where he studied with [[Claudio Monteverdi|Monteverdi]]?<!-- Special occasion hook for 18 October-->
* ... that '''[[Selna Kaplan]]''' led the first clinical trials of artificial [[growth hormone]] in the United States?
* ... that the '''[[Lineus sanguineus|banded nemertean]]''' ribbon worm readily breaks into pieces, each of which can regenerate into a new individual within four weeks?
===18 October 2017===
*'''''00:15, 18 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=St Paul's Cathedral Choir looking west, London, UK - Diliff.jpg|caption=St Paul's Cathedral Choir|width=120x133}}
</div>
* ... that in his '''[[Magnificat and Nunc dimittis for St Paul's Cathedral]]''' ''(interior pictured)'', [[Herbert Howells]] uses slow and spacious changes in harmony and tonality to suit the building's long echo?
* ... that following her diagnosis of terminal lung cancer, the [[Vogue (British magazine)|British ''Vogue'']] health editor [[Deborah Hutton (English editor)|'''Deborah Hutton''']] campaigned to raise awareness of the dangers of smoking for teenage girls?
* ... that '''[[Echinophyllia aspera|chalice coral]]''' and '''[[Oxypora lacera|porous lettuce coral]]''' can be confused underwater?
* ... that upon his retirement in January 1979, '''[[A. M. Aikin Jr.]]''' was the longest-tenured [[Texas Legislature|legislator]] in the history of [[Texas]]?
* ... that '''[[The Ex (target)|the Ex]]''' is a target practice mannequin that spouts blood when shot?
* ... that the name of the desert area '''[[Xiangshawan]]''' (literally, "resonant sand gorge") in [[Inner Mongolia]] derives from the loud boom and whistling sound created when sliding down its sand dune?
* ... that in the Credo section of his ''Missa Ave Marie'', composer '''[[Ludwig Daser]]''' clearly stated his Protestant beliefs to the Catholic court of [[Albert V, Duke of Bavaria]]?
* ... that '''''[[Chains of Love (TV series)|Chains of Love]]''''' was described as "televised prostitution"?
===17 October 2017===
*'''''00:30, 17 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Canan Bayram (2017).jpg|caption=Canan Bayram|width=120x133}}
</div>
* ... that '''[[Canan Bayram]]''' ''(pictured)'' was the only member of [[Alliance 90/The Greens]] directly elected to the German parliament in the [[German federal election, 2017|2017 election]]?
* ... that besides feeding on carpets, the larvae of the '''[[Anthrenus scrophulariae|common carpet beetle]]''' can destroy dried insects in collections?
* ... that '''[[Fawad Khan]]''' appeared in ''[[Eastern Eye]]''{{`s}} listing of the "50 Sexiest Asian Men" in 2014, 2015, and 2016?
* ... that '''[[Grangemoor Park]]''' in [[Cardiff]], Wales, was created on top of a former [[landfill]] site of household and commercial rubbish?
* ... that captured women and girls were sold for 10 to 20 [[Mexican peso|Mexican dollars]] during the '''[[Warlord Rebellion in northeastern Shandong]]'''?
* ... that although [[Pausanias (geographer)|Pausanias]] described '''[[Spintharus of Corinth]]''' as the architect of the [[Temple at Delphi]], subsequent historians have disagreed as to which temple he built?
* ... that the '''[[barred cuckoo-dove]]''' is similar to the '''[[little cuckoo-dove]]''', but is larger and darker, and is black-barred at the mantle, breast, covert, and tail?
* ... that one critic described the plot of '''''[[Nude for Satan]]''''' as "the Devil is bored and wants to have an orgy. Oh, and Calderoni gets molested by a giant spider"?
===16 October 2017===
*'''''00:45, 16 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=USA Washington Olympia 60.jpg|caption=View of State Reception Room with Mohawk carpet|width=120x133}}
</div>
* ... that the '''[[State Reception Room]]''' ''(pictured)'' in [[Olympia, Washington]], has what was once the world's largest single-loom carpet?
* ... that after nearly six decades of collecting [[Inuit art|Inuit sculptures]] and other art, '''[[Jacqueline Shumiatcher|Jacqui Shumiatcher]]''' gifted 1,310 pieces valued at CAD$3 million to the University of Regina?
* ... that the earliest record of the '''[[Toronto (cocktail)|Toronto cocktail]]''' is from 1922, when the [[Toronto|city of Toronto]] was under [[Prohibition in Canada|prohibition]]?
* ... that '''[[Andy Boarman]]''' ran a popular music store and instrument workshop out of his [[Hedgesville, West Virginia|Hedgesville]] barber shop?
* ... that '''[[Pest control|pesticides]]''' may have detrimental effects on beneficial insects such as bees?
* ... that '''[[John D. Hoffman]]''' was the only member of the [[Manhattan District]] to be awarded the [[Soldier's Medal]], the United States Army's highest award for heroism in a non-combat situation?
* ... that based on genetic data, the '''[[western oriole]]''' and the [[green-headed oriole]] are sister species?
* ... that after viewing footage from his 1970 film '''''[[Serene Velocity]]''''', director [[Ernie Gehr]] felt nauseated?
===15 October 2017===
*'''''01:00, 15 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Actinodendron arboreum2.jpg|caption=[[Actinodendron arboreum|Hell's fire anemone]]|width=120x133}}
</div>
* ... that although most '''[[sea anemone]]s''' ''(example pictured)'' are harmless to humans, a few are venomous and some can be lethal?
* ... that '''[[Directorio Estudiantil Universitario|student activists]]''' joined forces with the military to overthrow the Cuban government during the 1933 '''[[Sergeants' Revolt]]'''?
* ... that in 1471, '''[[John de la Pole, 2nd Duke of Suffolk]]''', considered himself unable to attend [[Parliament of England |parliament]] in London with a sufficiently large retinue for a duke, and so refused to do so?
* ... that the restoration of the '''[[Niagara Apothecary]]''' has been described as "the most authentic restoration of its kind in Canada and perhaps in North America"?
* ... that '''[[H. Rex Lee]]''' was the last non-elected [[Governor of American Samoa]]?
* ... that the '''[[black-necked grebe]]''' is flightless for two months of the year?
* ... that '''[[Myron Prinzmetal]]''' gave his name to [[Prinzmetal's angina]], a type of chest pain that occurs at rest?
* ... that '''[[Qit'at Jaradah]]''', an island in the [[Persian Gulf]], rises only {{convert|0.4|m}} above water at high tide?
===14 October 2017===
*'''''01:15, 14 October 2017 (UTC)'''''
<div style="float:right; margin-left:0.5em;" id="mp-dyk-img">
{{main page image|image=Cinder Butte Fire, Oregon, 5 Aug 2017.jpg|caption=Cinder Butte Fire|width=120x133}}
</div>
* ... that in August 2017, the '''[[Cinder Butte Fire]]''' ''(pictured)'' threatened important [[archaeological site]]s in [[Central Oregon]]?
* ... that [[List of rulers of Wallachia|Prince of Wallachia]] '''[[Radu Paisie]]''' was deposed by his [[Ottoman Empire|Ottoman]] overlords in 1545, with measures taken to prevent his "abscond[ing] with the treasury"?
* ... that both sides in the '''[[Battle of Emmendingen]]''' lost their commanding general, [[Wilhelm von Wartensleben|one]] to a musket ball, [[Michel de Beaupuy|the other]] to a cannonball?
* ... that filmmaker '''[[Nicholas McCarthy (director)|Nicholas McCarthy]]''' and humorist [[John Hodgman]] co-edited a controversial high school magazine?
* ... that the '''[[Cerebratulus lacteus|milky ribbon worm]]''' feeds on [[soft-shell clam]]s, inserting its proboscis through the siphon and devouring the soft tissues?
* ... that until 1968, some 5,000 people on the "Indian List", so-called due to the automatic inclusion of [[Indigenous peoples in Canada|indigenous people]], were prohibited from buying liquor from '''[[BC Liquor Stores]]'''?
* ... that the butterfly '''''[[Calycopis pisis]]''''' has a junior [[Synonym (taxonomy)#Zoology|synonym]] named after American cartoonist [[Gary Larson]]?
* ... that '''[[Erich Mühe]]''', the first surgeon to remove a gallbladder by [[laparoscopy]], was initially mocked by his colleagues for performing "Mickey Mouse surgery"?
===13 October 2017===
*'''''01:30, 13 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=20170924 Optima Signature 02.jpg|caption=Optima Signature|width=120x133}}
</div>
* ... that residents of the top 15 floors of the '''[[Optima Signature]]''' ''(pictured)'' have access to a private club in the building?
* ... that the [[Roman consul]], [[Praefectus urbi|urban prefect]], and [[Jurist|jurisconsult]] '''[[Plotius Pegasus]]''' was named by his father, a naval commander, after a ship he commanded?
* ... that the '''[[New Britain bronzewing]]''' is rated as a "[[vulnerable species]]" because the population is in decline and there are fewer than 5,000 birds in total?
* ... that '''[[Christof Loy]]''' received the [[Der Faust (award)|Der Faust]] award for staging Mozart's ''[[Così fan tutte]]'' at the Frankfurt Opera?
* ... that '''[[Michele Strazzabosco]]''' played in a preseason game with the [[Buffalo Sabres]] prior to the [[2006–07 NHL season]], becoming the first [[Ice hockey in Italy|Italian-trained player]] to do so in National Hockey League history?
* ... that the so-called "Tibesti Soda Lake" at the bottom of the '''[[Trou au Natron]]''' volcanic caldera is actually a mineral crust composed of [[sodium carbonate]]?
* ... that '''[[Fannie Eleanor Williams]]''' created blood storage techniques used in the first Australian blood bank?
* ... that '''[[German People's Radio]]''' pretended to broadcast from within Germany, but was actually located in [[Moscow]]?
===12 October 2017===
*'''''01:45, 12 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
{{main page image|image=Mourning of Muharram in cities and villages of Iran-342 16 (66).jpg|caption=''Nakhl Gardani'' ritual in Iran|width=120x133}}
</div>
* ... that '''''[[Nakhl Gardani]]''''' ''(pictured)'' is a ritual in which a woody structure symbolizing [[Husayn ibn Ali]]'s coffin is carried on the [[Ashura|day of Ashura]]?
* ... that in his 1960 '''''[[Quatre Motets sur des thèmes grégoriens]]''''', [[Maurice Duruflé]] "shows his particular genius for invoking the spiritual element of plainsong in a polyphonic context"?
* ... that the '''[[western bronze-naped pigeon]]''' is found in many countries across Africa?
* ... that former Dutch Chess Champion '''[[Jorden van Foreest]]''' is the great-great grandson of [[Arnold van Foreest]], a three-time Dutch Chess Champion?
* ... that in 1745, King Frederick II of Prussia came to be known as "[[Frederick the Great]]" after defeating Austria and Saxony in the '''[[Second Silesian War]]'''?
* ... that '''[[M.L. Tahaliyani]]''' sentenced [[Ajmal Kasab]] to [[Capital punishment in India|death]] for his role in the [[2008 Mumbai attacks]]?
* ... that the song "Why Didn't Rosemary?" from the 1969 album '''''[[Deep Purple (album)|Deep Purple]]''''' was inspired by the film ''[[Rosemary's Baby (film)|Rosemary's Baby]]''?
* ... that in 2014, '''[[Sarah Barrow]]''' won the first individual European gold medal for a female British diver in 87 years?
===11 October 2017===
*'''''02:00, 11 October 2017 (UTC)'''''
<div class="dyk-img" style="float: right; margin-left: 0.5em;">
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* ... that [[Antonio Conte]] ''(pictured)'' is the only person to win the '''[[Serie A Coach of the Year]]''' award three times in a row?
* ... that '''[[Charles Macdonald (professor)|Charles Macdonald]]''' called for the creation of a single university for [[Nova Scotia]] in his inaugural address at [[Dalhousie College]]?
* ... that the '''[[scarlet-breasted fruit dove]]''' is normally a quiet bird, but sometimes emits deep, soft, ''oohoo'' calls?
* ... that '''[[Sharad Panday]]''' was a pioneer of bloodless open heart surgery in India?
* ... that the planthopper '''''[[Alicodoxa]]''''' is one of a number of insects found in both '''[[Rovno amber]]''' and [[Baltic amber]]?
* ... that in 1995, American filmmaker '''[[Mark Romanek videography|Mark Romanek directed]]''' two of the most expensive music videos ever made?
* ... that "'''[[Von guten Mächten]]'''", a poem written by [[Dietrich Bonhoeffer]] in prison in 1944 where he faced execution, became a hymn with several melodies?
* ... that the [[Association football|footballer]] '''[[George Poland]]''' was rejected by [[Cardiff City F.C.]] as an outfield player before making his debut two years later as a [[Goalkeeper (association football)|goalkeeper]]?
===10 October 2017===
*'''''02:15, 10 October 2017 (UTC)'''''
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* ... that warriors in the epic poem ''[[Beowulf]]'' wear helmets like the boar-crested '''[[Benty Grange helmet]]''' ''(pictured)''?
* ... that '''[[Leaena Tambyah]]''' founded Singapore's first school for children with multiple disabilities in 1979?
* ... that '''[[titanium dioxide nanoparticle]]s''' prevent cancer when used in [[sunscreen]]s, but may cause it if inhaled by production workers?<!--Special occasion hook for October 9-->
* ... that during '''[[Alton Parker presidential campaign, 1904|his Presidential campaign]]''', [[Alton B. Parker]] refused to criticize the [[lynching]]s and denial of [[Black suffrage]] in the [[Southern United States]]?
* ... that the '''[[Birka female Viking warrior]]''' has been described as a [[shield-maiden]] similar to [[Brienne of Tarth]] from ''[[Game of Thrones]]''?
* ... that the '''[[Comoros blue pigeon]]''' has a habit of perching in full sun and raising one wing to expose it to the sun?
* ... that "[[Mehmetçik]]", the common name for Ottoman and Turkish soldiers, is thought to commemorate '''[[Bigalı Mehmet Çavuş]]''', who fought during the [[Gallipoli Campaign]] in 1915?
* ... that '''[[The Rolling Stones]]''' are a British rock band? Okay, you probably did...
===9 October 2017===
*'''''02:30, 9 October 2017 (UTC)'''''
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{{main page image|image=AlcedoHercules.jpg|caption=Blyth's kingfisher|width=120x133}}
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* ... that the scientific name of the '''[[Blyth's kingfisher]]''' ''(pictured)'', which grows up to {{convert|23|cm|in|0|abbr=off}} long, derives from the Greek demigod [[Hercules]]?
* ... that in 2005 '''[[Atanasio Monserrate]]''' and two other ministers resigned from the [[Manohar Parrikar]]-led government, leaving it in a minority and thus prematurely bringing down the [[Government of Goa]]?
* ... that the '''[[Border Police of Georgia]]''' have continued to help enforce Georgian sovereignty over [[Abkhazia]] and [[South Ossetia]] since the end of the [[Russo-Georgian War]]?
* ... that larvae of the '''[[Corella eumyota|orange-tipped sea squirt]]''' are brooded, and settle on the seabed close to the parent within minutes of being released?
* ... that '''[[S. Sashikanth]]''' was an award-winning architect before launching his own film production company, '''[[Y NOT Studios]]'''?
* ... that even though he '''[[Samuel Tilden presidential campaign, 1876|won the popular vote by a 51–48% margin]]''', [[Samuel J. Tilden]] failed to win the U.S. presidency in 1876?
* ... that '''[[Eugene Reimer]]''', who played wheelchair basketball with [[Terry Fox]] and [[Rick Hansen]], was the first disabled athlete to receive the [[Order of Canada]]?
* ... that hall of fame horse '''[[Eternal Sun]]'''{{`s}} owner purchased him with an IOU written on a corner torn from the page of the seller's catalog?
===8 October 2017===
*'''''02:45, 8 October 2017 (UTC)'''''
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* ... that the '''[[Muntz Jet]]''' ''(pictured)'' was a car that came with the option of a liquor cabinet and ice chest under the rear seat armrests?
* ... that '''[[Alison Van Eenennaam]]''' is working on a collaborative research project focused on the production of hornless dairy cattle through [[Genome editing|gene editing]]?
* ... that when [[Pál Turán]] was forced to work in a brick factory during World War II, the bumpy crossings of the cart tracks inspired him to ask '''[[Turán's brick factory problem|how to draw graphs with few crossings]]'''?
* ... that '''[[Fragmentarium]]''' digital research laboratory hopes to reunite lost fragments of medieval manuscripts''?
* ... that despite being urged to do so, [[William Jennings Bryan]] '''[[William Jennings Bryan presidential campaign, 1900|refused to drop his free silver plank when he ran for U.S. President in 1900]]'''?
* ... that a 13-city tour for '''''[[Just the Beginning (Grace VanderWaal album)|Just the Beginning]]''''', a November 2017 album release by 13-year-old ''[[America's Got Talent]]'' winner [[Grace VanderWaal]], sold out in September?
* ...that the '''[[Forrest's pika]]''' has at different times been treated as a subspecies of the [[Moupin pika]], the [[Royle's pika]], and the [[steppe pika]]?
* ... that '''[[Jason Chee (para-athlete)|Jason Chee]]''' won a gold medal in table tennis despite losing both his legs, his left arm, one right finger, and his right eye?
===7 October 2017===
*'''''03:00, 7 October 2017 (UTC)'''''
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{{main page image|image=Tiziano Vecellio,called Titian - Gipsy Madonna - Google Art Project.jpg|caption=''Gypsy Madonna'', Titian, 1510–11|width=120x133}}
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* ... that the landscape in [[Titian]]'s '''''[[The Gypsy Madonna|Gypsy Madonna]]''''' ''(pictured)'' virtually repeats part of that in the ''[[Dresden Venus]]''?
* ... that [[Horace Greeley]] died shortly after he '''[[Horace Greeley presidential campaign, 1872|lost the U.S. Presidency to Ulysses S. Grant]]'''?
* ... that the '''[[Thomas's pika]]''' is [[Sympatry|sympatric]] with the [[Gansu pika]]?
* ... that '''[[Annie Nicolette Zadoks Josephus Jitta]]'''{{`s}} unusual name inspired a book?
* ... that '''[[Soviet Census (1979)|18 cities in the Soviet Union had a population of at least one million]]''' in 1979?
* ... that in the American scholar '''[[Scott Rozelle]]'''{{`s}} 30-year career as a development economist, he has been mostly concerned with children's health conditions in rural China?
* ... that the '''[[Philippine cuckoo-dove]]''' was formerly listed as a subspecies of the '''[[ruddy cuckoo-dove]]''' and the [[brown cuckoo-dove]]?
* ... that a 1912 party hosted by '''[[Vine Colby]]''' made the news for its originality?
===6 October 2017===
*'''''03:15, 6 October 2017 (UTC)'''''
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{{main page image|image=Alice par John Tenniel 04.png|caption=Alice by [[John Tenniel]]|width=120x133}}
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* ... that [[Lewis Carroll]] may have based '''[[Alice (Alice's Adventures in Wonderland)|Alice]]''' ''(pictured)'' on [[Alice Liddell|Alice]]?
* ... that the [[Olympia, Washington]] war memorial '''''[[Winged Victory (statue)|Winged Victory]]''''' features a [[American Red Cross|Red Cross]] nurse?
* ... that [[House of Lancaster|Lancastrian]] lord '''[[John Clifford, 9th Baron Clifford|John Clifford]]''' was killed, possibly by an arrow in the throat, while the main Lancastrian army was only a few miles away?
* ... that in 1974, [[Mattoon, Illinois]]'s '''[[Cross County Mall (Illinois)|Cross County Mall]]''' became the first shopping center in the US to have [[J. C. Penney]], [[Sears]], and [[Kmart]], then the nation's three largest retailers?
* ... that as UK secretary in the Economic Directorate of the [[Allied Control Council]] in post-war Berlin, '''[[Lorna Arnold]]''' slept with a revolver under her pillow?
* ... that songs and books for children often depict happy '''[[Animal husbandry|farm animals]]''' in attractive countryside, glossing over the realities of impersonal, mechanized activities involved in modern intensive farming?
* ... that twin sisters Bertha and '''[[Bernice C. Downing]]''' became owners and publishers of the ''Santa Clara Journal'' when they were 17 years old?
* ... that the '''[[black-backed forktail]]''' has a call reminiscent of a squeaky hinge?
===5 October 2017===
*'''''03:30, 5 October 2017 (UTC)'''''
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{{main page image|image=Siphopteron quadrispinosum copulating.png|caption=''[[Siphopteron quadrispinosum]]'' copulating|width=120x133}}
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* ... that while mating, some species of '''[[Gastropteridae|bat-winged slugs]]''' ''(pictured)'' stab each other with a two-pronged penis?
* ... that after '''[[William Lunn (educator)|William Lunn]]'''{{`s}} wedding, people destroyed the door of a police watch house in [[Montreal]]?
* ... that [[Nicholas Nabokov]] composed an opera '''''[[Love's Labour's Lost (opera)|Love's Labour's Lost]]''''', setting the same play by Shakespeare as the fictional hero of Mann's ''[[Doctor Faustus (novel)|Doctor Faustus]]'', "in a spirit of the most artificial mockery"?
* ... that '''[[Christine Murrell]]''' was the first woman elected to the British [[General Medical Council]], but died before she could take her seat?
* ... that the [[Central Valley (California)|California Central Valley]] city of [[Porterville, California|Porterville]] purchased an abandoned rail right-of-way to preserve it for the proposed '''[[Cross Valley Corridor]]''' passenger rail service?
* ... that Judge '''[[Orfa Jean Shontz]]''' created an all-female [[juvenile court]] with a homelike setting?
* ... that the '''[[Ethiopian highland hare]]''' was originally described as a subspecies of the [[Cape hare]], but it was later raised to full species status?
* ... that when operatic soprano '''[[Cynthia Clarey]]'''{{`s}} voice lowered with age, she took up [[cabaret]] singing instead?
===4 October 2017===
*'''''03:45, 4 October 2017 (UTC)'''''
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* ... that after ''[[Silence=Death Project|Silence=Death]]'' posters ''(pictured)'' appeared around [[Manhattan]], '''[[William Olander]]''' created a [[New Museum]] exhibit highlighting public indifference to AIDS victims?
* ... that '''''[[Linguamyrmex|Linguamyrmex vladi]]''''' is named for [[Vlad the Impaler]], who was the inspiration for [[Count Dracula]]?
* ... that accordionist '''[[Vincent Peirani]]''' and pianist [[Michael Wollny]], both multiple [[ECHO Jazz]] winners, recorded the "symbiotic" album ''Tandem''?
* ... that during the '''[[Sprague Fire]]''' in [[Glacier National Park (U.S.)|Glacier National Park]], the interior of the historic [[Sperry Chalet]] completely burned, leaving only the exterior stone walls standing?
* ... that '''[[The Inquiry]]''', a study group established by US President [[Woodrow Wilson]] to make recommendations for the 1919 [[Paris Peace Conference, 1919|Paris Peace Conference]], suggested that Crimea should be given to Ukraine?
* ... that '''[[Tajama Abraham]]''' survived [[Hurricane Hugo]] by hiding in a commercial refrigerator with her family?
* ... that the '''[[plain-breasted piculet]]''' is usually inconspicuous but may be detected by the pecking sounds it makes while foraging?
* ... that the lack of breakfast pushed '''[[Mab Copland Lineman]]''' to fight against a [[Trade union|labor union]]?
===3 October 2017===
*'''''04:00, 3 October 2017 (UTC)'''''
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* ... that as part of Chinese weddings, the groom may be made to swallow pungent [[wasabi]], [[chilli padi]], and bitter tea '''[[Chinese wedding door games|before receiving the bride]]''' at her family home?
* ... that '''[[Jane Frances Winn]]''' was one of the first female journalists to cover women's [[golf]] events?
* ... that the producers of "'''[[Drew Live II]]'''" kept many elements of the episode a secret from the cast?
* ... that '''[[Yttralox]]''', a [[Transparent ceramics|transparent ceramic]], was accidentally discovered in the course of fuel cell research in the mid-1960s?
* ... that the limpet '''''[[Iothia emarginuloides]]''''' is commonly found on the red alga '''''[[Phyllophora antarctica]]''''' growing under the Antarctic [[sea ice]]?
* ... that Wolfgang Rihm's opera '''''[[Dionysos (opera)|Dionysos]]''''', with a libretto by Rihm using only words by [[Friedrich Nietzsche|Nietzsche]], was first performed at the [[Salzburg Festival]] and called [[Opernwelt|premiere of the year]]?
* ... that a middle-class terrorist organization known as '''[[ABC (Cuba)|el ABC]]''' successfully lobbied for two cabinet positions in the 1933 provisional government of [[Cuba]]?
* ... that before his death at the [[Battle of Barnet]] in 1471, '''[[John Neville, 1st Marquess of Montagu|John Neville]]''' was reported to be in the thick of the fighting and "cutting off arms and heads like a hero of romance"?
===2 October 2017===
*'''''04:15, 2 October 2017 (UTC)'''''
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{{main page image|image=Lydia Zvereva diploma cr.jpg|caption=Lydia Zvereva|width=120x133}}
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* ... that '''[[Lydia Zvereva]]''' ''(pictured)'' was the first Russian woman to earn a pilot's license?
* ... that the '''[[alpine pika]]''' can produce three different vocalizations: a long call during the mating season, a short call, and an alarm call when threatened?
* ... that the phrase "Rum, Romanism, and Rebellion" helped '''[[Grover Cleveland presidential campaign, 1884|Grover Cleveland win the 1884 U.S. Presidential election]]'''?
* ... that [[Kingdom of Prussia|Prussia]] entered a secret armistice with [[Habsburg Monarchy|Austria]] in October 1741, but [[Frederick the Great]] pretended to continue fighting the '''[[First Silesian War]]''' for another two months?
* ... that '''[[Caroline B. Winslow]]''' opened the Homeopathic Free Dispensary, the first facility in [[Washington, D.C.]] where women doctors could practice side-by-side with their male colleagues?
* ... that [[Johannes Brahms]] used the same melody for a song of his '''[[Fünf Lieder, Op. 105 (Brahms)|''Fünf Lieder'', Op. 105]]''', as for the theme of the slow movement of [[Piano Concerto No. 2 (Brahms)|his second piano concerto]]?
* ... that a [[Jinping-II Dam|hydroelectric diversion project]] and a [[China Jinping Underground Laboratory|dark matter research lab]] have been developed deep under the '''[[Jinping Mountains]]''' in Sichuan, China?
* ... that '''[[Don Amador]]''' is portrayed in the film ''[[Milk (film)|Milk]]'' by his friend [[Cleve Jones]], while Jones is portrayed by [[Emile Hirsch]]?
===1 October 2017===
*'''''04:30, 1 October 2017 (UTC)'''''
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* ... that until the '''[[coronation of the Thai monarch]]''' is completed, the ruler is considered only a [[regent]] and may not sit under the [[Royal Nine-Tiered Umbrella]] ''(pictured)''?
* ... that by winning the '''[[2013 Monaco GP2 Series round|2013 Monaco GP2 Series sprint race]]''', [[Stefano Coletti]] became the first Monegasque racing driver to win a motor race in Monaco since [[Louis Chiron]] in [[1931 Monaco Grand Prix|1931]]?
* ... that '''[[Sayaka Harada]]''' decided to become a [[Voice acting in Japan|voice actress]] in [[anime]] despite not having watched many Japanese cartoons?
* ... that Californians have a right to access [[medical aid in dying]] under the '''[[California End of Life Option Act]]'''?
* ... that coloratura soprano '''[[Joan Carroll (soprano)|Joan Carroll]]''' appeared as Alban Berg's [[Lulu (opera)|Lulu]] more than 100 times, including the U.S. premiere at the [[Santa Fe Opera]]?
* ... that Tibet's '''[[Moupin pika]]''' is a burrowing mammal that makes [[hay]]piles to store food?
* ... that '''[[Gene Rambo]]''' won the International Rodeo Association all-around championship four times?
* ... that 21 of the 26 [[List of Michelin 3-star restaurants|Michelin 3-star restaurants]] in Paris serve '''[[Kaluga Queen|Kaluga Queen caviar]]'''?
