December31isthe365thdayoftheyear(366thinleapyears)intheGregoriancalendar.ItiswidelyknownasNewYear#39;sEvesincethefollowingdayisNewYear#39;sDay.Itisthelastdayoftheyear.ThefollowingdayisJanuary1ofthefollowingyear.Events：406Vandals,AlansandSuebianscros...

December30：RizalDayinthePhilippines(1896)December30isthe364thdayoftheyear(365thinleapyears)intheGregoriancalendar.Thereisonedayremaininguntiltheendoftheyear.Events：1066Granadamassacre:AMuslimmobstormstheroyalpalaceinGranada,crucifiesJewishvizierJos...

December29：IndependenceDayinMongolia(1911)December29isthe363rddayoftheyear(364thinleapyears)intheGregoriancalendar.Therearetwodaysremaininguntiltheendoftheyear.Events：875CharlestheBaldKingoftheFranksiscrownedasHolyRomanEmperorCharlesII.1170ThomasBe...

December25：Christmas(Gregoriancalendar);Quaid-e-AzamDay(Pakistan)December25isthe359thdayoftheyear(360thinleapyears)intheGregoriancalendar.Therearesixdaysremaininguntiltheendoftheyear.Events：333RomanEmperorConstantinetheGreatelevateshisyoungestsonCo...

December24:ChristmasEve(Gregoriancalendar)December24isthe358thdayoftheyear(359thinleapyears)intheGregoriancalendar.Therearesevendaysremaininguntiltheendoftheyear.Events：502ChineseemperorXiaoYannamesXiaoTonghisheirdesignate.640PopeJohnIViselected.759...

December23：TheEmperor#39;sBirthdayinJapan;FestivusDecember23isthe357thdayoftheyear(358thinleapyears)intheGregoriancalendar.Thereareeightdaysremaininguntiltheendoftheyear.Events：484HunericdiesandissucceededbyhisnephewGunthamund,whobecomeskingoftheVa...

December22：Decembersolstice(04:48UTC,2015);Yule,Mother#39;sDayinIndonesiaDecember22isthe356thdayoftheyear(357thinleapyears)intheGregoriancalendar.Thereareninedaysremaininguntiltheendoftheyear.InsomeregionsoftheNorthernHemisphere,meteorologicalwinter...

December21isthe355thdayoftheyear(356thinleapyears)intheGregoriancalendar.Thereare10daysremaininguntiltheendoftheyear.IntheNorthernHemisphere,December21stisusuallytheshortestdayoftheyearandissometimesregardedasthefirstdayofwinter.IntheSouthernHemisphe...

December18：RepublicDayinNiger(1958);NationalDayinQatar(1878)December18isthe352nddayoftheyear(353rdinleapyears)intheGregoriancalendar.Thereare13daysremaininguntiltheendoftheyear.Events：218BCSecondPunicWar:BattleoftheTrebiaHannibal#39;sCarthaginianfo...

December17isthe351stdayoftheyear(352ndinleapyears)intheGregoriancalendar.Thereare14daysremaininguntiltheendoftheyear.Events：497BCThefirstSaturnaliafestivalwascelebratedinancientRome.546SiegeofRome:TheOstrogothsunderkingTotilaplunderthecity,bybribing...

December16：NationalDayinBahrain;VictoryDayinBangladeshandIndia(1971)December16isthe350thdayoftheyear(351stinleapyears)intheGregoriancalendar.Thereare15daysremaininguntiltheendoftheyear.Events：714PepinofHerstal,mayoroftheMerovingianpalace,diesatJupi...

December15：KingdomDayinAruba,Curaao,theNetherlands,andSintMaarten(1954);ZamenhofDayinEsperantocultureDecember15isthe349thdayoftheyear(350thinleapyears)intheGregoriancalendar.Thereare16daysremaininguntiltheendoftheyear.Events：533VandalicWar:Byzantin...