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31 December 2019
- 12:00, 31 December 2019 (UTC)

Mekong Bobtail
- 00:00, 31 December 2019 (UTC)

Hellvi helmet eyebrow
30 December 2019
- 12:00, 30 December 2019 (UTC)

Idham Azis
- ... thatIdham Azis(pictured), thechief of the Indonesian National Police, succeeded in enrolling at the nationalpolice academy on his third attempt?
- ... thatLynn Family Stadium shares its namesake withanother stadium in the same city?
- ... thatMarco Streng's Genesis Group has abitcoin mine in Iceland?
- ... thatHMS Melpomene missed theBattle of Trafalgar, but arrived in time to tow away damaged enemy vessels?
- ... that medical scholarRonald Grossarth-Maticek directed a long-term study involving 30,000 people from 18,000 households, spanning more than 20 years?
- ... that the songs on theKabir Singh soundtrack album, including "Tujhe Kitna Chahne Lage" ('I have begun to really love you'), have been described as "saccharine rock"?
- ... that Mexican drug lordMaría Antonieta Rodríguez Mata controlled a drug trafficking ring that extended across Colombia, Guatemala, Mexico, and the U.S.?
- ... that inbaseball, it is not against the rules tosteal signs?
- 00:00, 30 December 2019 (UTC)

Diners at Yume Wo Katare share their dreams.
- ... thatYume Wo Katare(pictured), aramen bar inCambridge, Massachusetts, encourages diners to share their dreams and aspirations with each other after finishing their meals?
- ... that actorRyan Reynolds haslent his voice to a garden snail, a caveman, andPikachu?
- ... that the sale ofWWIZ radio inLorain, Ohio, undertaken in order to raise capital to buildWXTV inYoungstown, prompted both stations to lose theirlicenses?
- ... that Polish courtier and writerKrzysztof Warszewicki was a respectedorator who spoke at the funerals ofCatherine, queen consort of Poland, andMaximilian II, Holy Roman Emperor?
- ... that theConcert Hall inside the BBC'sBroadcasting House was pressed into service as a dormitory at the outbreak of World War II?
- ... thatSally Milgrim designed the dress thatEleanor Roosevelt wore toher husband's first inaugural ball?
- ... that after laying its eggs on a leaf, the femalemango leaf-cutting weevil severs the leaf near its base and lets it fall to the ground?
- ... that the Jewisha cappella groupSix13 sings traditionalHanukkah songs and prayers to music fromStar Wars?
29 December 2019
- 12:00, 29 December 2019 (UTC)
- 00:00, 29 December 2019 (UTC)

A parachute training tower
- ... that the British Empire's firstparachute training tower(example pictured) was built by the Polish military?
- ... thatKiuchi Kyō, believed to be the first Japanese woman to be a school principal, worked to improve the status of women teachers?
- ... that on May 9, 1970,Richard Nixon spent the two hours before dawnat the Lincoln Memorial talking to students protesting the Vietnam War?
- ... thatJay Shah oversaw theGujarat Cricket Association's project of constructing theworld's largest cricket stadium?
- ... that British actressNaomi Watts'roles includeCIA officerValerie Plame, journalistGretchen Carlson, andPrincess Diana?
- ... that during the2004 US presidential election,Hans Riemer ran an online campaign against the military draft, leading then-President Bush to coin the phrase "on the Internets"?
- ... that according to academic Yo Tomita, theBach Digital portal website has largely replaced printed reference works as first point of entry forBach scholarship?
- ... that as a child, American Civil War historianCharles P. Roland heard first-hand accounts of the war from veterans who served in it?
28 December 2019
- 12:00, 28 December 2019 (UTC)

A Still Life with Two Objects
- 00:00, 28 December 2019 (UTC)

Mackintosh with his gun and a trophy
- ... thatDonald Mackintosh(pictured) was posthumously awarded an Olympic gold medal forshooting 22 live pigeons in a row?
- ... that "Baby Yoda", a character in theStar Wars spin-offThe Mandalorian, was named "2019's biggest new character" byThe Guardian?
- ... thatStribodh, first published in 1857, was one of the earliest magazines in India to be aimed at a female audience?
- ... that actressKathryn Crosby earned a nursing degree at theQueen of Angels Hospital in Los Angeles?
- ... that a year afterFive Ash Down Independent Chapel opened, doctrinal differences caused some members to leave and formUckfield Baptist Church?
- ... that in 1982, theU.S. Supreme Court ruled that the refusal of theInternational Longshoremen's Association to unload cargo from the Soviet Union was illegal under theNational Labor Relations Act?
- ... thatLiang Baibo andYu Feng were among China's first female cartoonists?
- ... thatBurleigh House inEnfield, near London, was said to be haunted by a ghost wearing adoublet,hose, and aruffle?
27 December 2019
- 12:00, 27 December 2019 (UTC)

Drawing of a Bersey electric cab
- ... that after the withdrawal ofWalter Bersey's1897 design(drawing shown), it took 120 years for fully electric-powered taxis to return to the streets of London?
- ... that althoughHalf Alive wrote their song "Still Feel" with the intention of making it unattractive for radio stations, it became their breakout hit?
- ... that when the Thai government ordered her return from the U.S. during World War II, PhD studentPoonsapaya Kraiyong joined theFree Thai resistance movement instead?
- ... that the demise ofSportsvue, which lost $2 million in its 10 months of operation, promptedJim Fitzgerald to sell theMilwaukee Bucks basketball team?
- ... that tenorMirko Ludwig took part in the opening of Hamburg'sElbphilharmonie as a member of a vocalquintet?
- ... that the sermons ofGreek Catholic priest Michal Mašlej inspired the villagers ofOľšavica to hide Jews during the Holocaust even though German soldiers were quartered in the village?
- ... that it can takeYvonne Walker Keshick up to a year to gather theporcupine quills and other materials she needs for a particular work of art?
- ... that the BritishSuper League XXV will feature a Canadianrugby league team for the first time?
- 00:00, 27 December 2019 (UTC)
26 December 2019
- 12:00, 26 December 2019 (UTC)

Tetsu Yasui
- 00:00, 26 December 2019 (UTC)

2014 Anthem Christmas tree
- ... thatthe tallest Christmas tree in Arizona(pictured) is decorated with at least 5,000 ornaments and bows?
- ... thatYoshi Kasuya was appointed to theOrder of the Precious Crown for her contributions to women's education?
- ... that the German carol "Kommet, ihr Hirten", derived byCarl Riedel from a Bohemian song in Czech, addresses shepherds, men, and women?
- ... thatJames A. Ward was one of the last surviving graduates of the Jesuitnovitiate inWhite Marsh, Maryland?
- ... that theChristmas Island flying fox matures more slowly than nearly all other bats?
- ... that religious ministers revealed the winning numbers to illegal lotteries onWOOK radio, by hiding them in Bible references?
- ... that confectionerTom Smith is traditionally described as the inventor of theChristmas cracker, in 1847?
- ... thatA Rubber Band Christmas is a novelty album featuring popularChristmas songs played on rubber bands, staplers, and other office equipment?
25 December 2019
- 12:00, 25 December 2019 (UTC)
- ... thatFilippo Lippi'sMystical Nativity(shown) ofc. 1459 includes "no cave, no shed, no Joseph, no angels, no ox, no ass"?
- ... that in later life,Paul Mickelson bought theorgan upon which he had made his first recording as a solo artist atNBC?
- ... that after the ancientShire Oak fell in 1941, part of it was carved into a sculpture of theMadonna and Child for a local church?
- ... thatKavya Manyapu led the development of a dust-repelling fabric for space suits usingcarbon nanotubes?
- ... thatTaylor Swift wrote, recorded, and released "Christmas Tree Farm" in six days?
- ... that as pastor of a Catholic church inBaltimore,William Francis Clarke worked to integrate black and Italian Catholics into parish life?
- ... that Austrian generalKonrad Valentin von Kaim was mortally wounded at theBattle of Pozzolo on Christmas Day, 1800?
- ... that "The Sinner's Redemption" was called a "rude old carol" favoured by peasants?
- 00:00, 25 December 2019 (UTC)

Rosika Schwimmer
24 December 2019
- 00:00, 24 December 2019 (UTC)
23 December 2019
- 00:00, 23 December 2019 (UTC)

Miniature altarpiece
- ... that the 1511miniature altarpiece(pictured) in theBritish Museum, sometimes attributed toAdam Dircksz, is the only survivingGothic boxwood miniature to have been inscribed with a date by its artist?
- ... that sopranoIrma Beilke appeared as Marzelline in Beethoven'sFidelio on 4 September 1945 in the first opera performance in Berlin after WorldWar II?
- ... that New York City's $4 millionSquibb Park Bridge was demolished less than seven years after it was built?
- ... thatShen Jilan, who successfully proposed the clause ofequal pay for equal work in China's first constitution in 1954, is still serving as a congresswoman 65 years later?
- ... that in 1817, theOntario became the first steamboat to see active service on theGreat Lakes atLake Ontario?
- ... that the surgeonThomas Morstede served the three successive English kingsHenry IV,Henry V, andHenry VI?
- ... thatThe History of Doing describes a fundamentalist Hindu protest, with many women part of it, in favour ofsati, the burning of widows?
- ... thatJef Raskin would prove hisFLOW language was easy to use by closing his eyes, typing randomly on the keyboard, and producingexecutable programs?
22 December 2019
- 00:00, 22 December 2019 (UTC)

Sun Yang
21 December 2019
- 00:00, 21 December 2019 (UTC)

1937 Stutz Pak-Age-Car
20 December 2019
- 00:00, 20 December 2019 (UTC)

Appasus japonicus malewith eggs
- ... thatAppasus japonicus(pictured), a species ofgiant water bug, provides an example of insectpaternal care?
- ... that the pianistClara Schumann, who toured Europe for decades, taught 68 students atDr. Hoch's inFrankfurt, including those from Britain and the U.S.?
- ... that to assist the Australians withINTERFET logistics, the U.S. Army brought in helicopters from Russia and Bulgaria?
- ... thatSharon Priest, theSecretary of State of Arkansas, launched the state's first internet-based information network in 1995?
- ... thatKSLN-TV, theABC television affiliate inSalina, Kansas, folded twice in three years under two different owners?
- ... thatLouie Cullen, known as "the last of the suffragettes", started a prisonhunger strike after her arrest for a 1908 attempt to rush into theHouse of Commons to promotewomen's right to vote in the UK?
- ... that aSony α7S II captured the first commercial4K footage in space from theInternational Space Station?
- ... that chess playerCarissa Yip defeated agrandmaster at the age of ten?
19 December 2019
- 00:00, 19 December 2019 (UTC)

Asahishō Kōta
18 December 2019
- 00:00, 18 December 2019 (UTC)

Ashvamedha horse, depicted on a gold coin
17 December 2019
- 00:00, 17 December 2019 (UTC)

Christ Mocked
- ... thatChrist Mocked(shown), which recently sold for €24 million, is a long-lost painting byCimabue discovered in the kitchen of an elderly Frenchwoman?
- ... thatConcert Grove in New York City'sProspect Park is used as a sculpture garden because its acoustics turned out to be bad for musical performances?
- ... thatJuli Briskman, who received international coverage forflipping off President Donald Trump, went on to enter politics and win an election?
- ... that an article published in theSatyaprakash weekly, which criticised Hindu religious leaders, resulted ina libel case?
- ... that after her own childhood experiences,Carla Herrero foundedRompe el Silencio ("Breaking the Silence") to support youth who have suffered bullying, abuse, and psychological disorders?
- ... thatSt. Louis County police arrested engineers and announcers ofKXLW because their tower violated local zoning laws?
- ... that water damage postponed the premiere production of thescience fiction folkmusicalRags Parkland Sings the Songs of the Future?
- ... thatJohn Blackwell was dismissed for being "bigoted and obstinate" byIsambard Kingdom Brunel for suggesting a new road might cause alandslide, which indeed happened once the road was built?
16 December 2019
- 01:07, 16 December 2019 (UTC)

Brownie Lake
15 December 2019
- 03:07, 15 December 2019 (UTC)

Sara Braun
14 December 2019
- 05:07, 14 December 2019 (UTC)

Southern block of the Warwick Road Estate
13 December 2019
- 07:07, 13 December 2019 (UTC)

Hoffman's packing puzzle
12 December 2019
- 01:00, 12 December 2019 (UTC)

Gucci Mane
11 December 2019
- 00:00, 11 December 2019 (UTC)

Elizabeth Richards Tilton
- ... that althoughElizabeth Richards Tilton(pictured) was a central figure in a six-month-long trial, she was never allowed to speak in court?
- ... that theSandyhills area ofGlasgow once contained two coal mines, a factory making foamslag blocks, and a chemical works producing tar?
- ... that British juristBin Cheng invented a legal theory which states that a customaryinternational law may be created "overnight"?
- ... that theBroe helmet, an artefact of theVendel Period, was discovered while digging up a garden?
- ... that althoughErnest Fahmy played forAbertillery RFC in Wales, he opted to playinternational rugby for Scotland?
- ... that after taking the unprofitable station off the air, Harold Orr hired a crew of young announcers to broadcast onKSVY 12 hours a day, 6 days a week, to keep the license?
- ... thatLu Shijia, founder of China's first universityaerodynamics program, twice declined nominations to theChinese Academy of Sciences?
- ... that theBalloon went up in 1784 and added air in 1802, but nowHighways England wants to blow it up?
10 December 2019
- 00:00, 10 December 2019 (UTC)

Bodega cat in Brooklyn, New York
9 December 2019
- 00:00, 9 December 2019 (UTC)

Member of genusChrysomya
8 December 2019
- 00:00, 8 December 2019 (UTC)

Etrich Taube monoplane
7 December 2019
- 00:00, 7 December 2019 (UTC)
- ... thatM.O.N.T(pictured) was the firstKorean idol group to film a music video on the disputedLiancourt Rocks?
- ... that the use ofretentions in the British construction industry, which is now commonplace, had its origins in theRailway Mania of the 1840s?
- ... that Indian-American chefRaji Jallepalli, who is credited with "originating the fusion of classic French and Indian cuisines", originally trained as amicrobiologist?
- ... that thePeleng tarsier, a small carnivorousprimate, can rotate its head nearly 180 degrees in either direction?
- ... that German World War II generalHeinz Guderian issued post-war apologetics for Hitler, writing that "his struggle was about Europe, even if he made dreadful mistakes and errors"?
- ... that a young Bob Smith, later famous asWolfman Jack, got his first radio job as "Daddy Jules" atWYOU inNewport News, Virginia?
- ... thatWilliam Chapple discoveredEuler's theorem andPoncelet's porism?
- ... that sculptures of rats outside theGraybar Building, nearGrand Central Terminal, were included to signify New York City's role as a "great transportation centre"?
6 December 2019
- 00:00, 6 December 2019 (UTC)

Site of the Battle of Muster Green
5 December 2019
- 00:00, 5 December 2019 (UTC)

Rick Cluff
- ... that radio hostRick Cluff(pictured) accepted a position at theCanadian Broadcasting Corporation despite his father's belief it was "full of left-wing communists" and that radio was "a dead-end career"?
- ... that thegranulate ambrosia beetle is native to Asia but has spread as an invasive species to Africa, the Americas, Europe, and Oceania?
- ... that the brother of Ugandan presidentIdi Amin was once delivered in acar boot to military commanderHussein Mohammed?
- ... thatMemory: The Origins of Alien defines theAlien franchise as "a collective art form" inspired byH. P. Lovecraft,Francis Bacon, and theGreek Furies?
- ... thatCharles Blackwell was the third Blackwell (afterhis father andhis grandfather) to be elected to theInstitution of Civil Engineers?
- ... that jazz musiciansBen Tucker andBilly Taylor boughtSavannah, Georgia, radio stationWSOK and expanded its album collection from 20 to 4,000?
- ... that letters whichCharlotte Pistorius, the self-taught wife of a country pastor, wrote to intellectualsFriedrich Schleiermacher andErnst Moritz Arndt were published with their works?
- ... that there is a man in tweeds on agallows outside theGreen Man, Ashbourne?
4 December 2019
- 00:00, 4 December 2019 (UTC)

The Straight Mile
- ... thatthe Straight Mile(pictured) is not amile, and includes the Culvert, which is not aculvert?
- ... that public health historianElizabeth Fee wrote on topics as varied as thehistory of HIV/AIDS, the racialized treatment ofsyphilis,bioterrorism, and the history of the toothbrush?
- ... that the government of Thailand hasbranded the Buddhist celebrationMagha Puja as a day of spiritual love and gratitude, to compete withValentine's Day?
- ... thatSara Wesslin, featured on the BBC's100 Women for 2019, is one of only two journalists in the world broadcasting inSkolt Sami?
- ... that thePolish–Bohemian War of 990 resulted in Poland taking control ofSilesia?
- ... thatIgnaz Saal, for decades a bass with theImperial Court Theatre in Vienna, performed the bass parts in the world premieres of Haydn's oratoriosDie Schöpfung andDie Jahreszeiten?
- ... that radio stationKEYZ inWilliston, North Dakota, owned aBeechcraft Bonanza aircraft and used it for news coverage, promotional events, sales calls, andsearch and rescue efforts?
- ... thatUnhappy the Land argues that the Irish are not the "most oppressed people ever"?
3 December 2019
- 00:00, 3 December 2019 (UTC)

Steven Matz
2 December 2019
- 00:00, 2 December 2019 (UTC)

The Farthing Pie Housein 1780
- ... that for a halfpenny fare, children could ride on a small chariot drawn by four muzzledmastiffs to theFarthing Pie House(pictured)?
- ... thatYang Enze, who built China's firstfiber-optic communication system approved for practical use, taught until the age of 99?
- ... that after development builds of the cancelled video gameLego Bionicle: The Legend of Mata Nui leaked online,Bionicle fans created avideo game development studio to complete the game?
- ... thatKathrin Göring portrayed both Fricka and Waltraute inDer Ring in Minden, and a critic called her scene inGötterdämmerung a highlight, noting her dramatic mezzo-soprano and intense acting?
- ... thatWXXX'sbroadcast license was challenged in the 1970s because the station employed no African Americans inHattiesburg, Mississippi, a city that was 30 percent black?
- ... that research onpain in fish byVictoria Braithwaite resulted in new rules in the UK, Europe, and Canada to make fisheries more humane?
- ... that string quartetWell-Strung has performed "Chelsea's Mom", a reimagining of "Stacy's Mom", for Hillary Clinton?
- ... that the chirps of thesnowy tree cricket can be used to estimate the temperature?
1 December 2019
- 00:00, 1 December 2019 (UTC)

Yūki Yamato
- ... that screenwriter and directorYūki Yamato(pictured) created her first film,That Girl is Dancing by the Seaside, while studying philosophy atSophia University?
- ... that following thedefense of Katowice on 4 September 1939, dozens of defenders, including a number ofPolish Boy and Girl Scouts, weresummarily executed?
- ... thatJedediah Sanger foundedNew Hartford, but gave his name toSangerfield?
- ... thatRainbow Valley, one of the books in theAnne of Green Gables series, draws heavily onLucy Maud Montgomery's life in theLeaskdale Manse?
- ... that Chinese virologistGeorge F. Gao led a test laboratory in Sierra Leone during the peak of the2014 Ebola outbreak?
- ... that theEberhard Faber Pencil Factory inBrooklyn, originally built for one of the world's largest pencil makers, now contains theKickstarter headquarters?
- ... that baritoneHans Braun, who performed 75 roles at theVienna State Opera, appeared as Mozart'sCount Almaviva at theRoyal Opera House and as Wagner'sWolfram atLa Scala?
- ... that the tapping sound of thedeathwatch beetle has long been considered an omen of an impending death?