"Christmas"isthenameoftheChrist"mass"oftheacronym.AMassoftheChurchliturgy.Christmasisareligiousfestival.WeregarditasthebirthofJesustocelebrate,thusalsoknownasChristmas.Onthisday,alltheChristianworldwillhavetoholdaspecialprayerceremony.ButtherearemanyChristmascelebrationsdonothavetheslightestassociationandreligion.Exchangegifts,sendcards,whichhavebecomeaChristmastocelebratetheday.Christmasistheworld'slargestChristianfestival.4beginningofthecentury,January6istheeasternpartoftheRomanEmpirethatSuMemorialChurchoftheNativityandbaptizedthedoublefestival,knownasthe"Epiphany"Epiphany,alsoknownas"Epiphany"thattheworldofGodthroughtheSuhimself.Atthattime,onlythecoldChurchRoadwideningexception,whereonlycommemoratethebirthofJesusratherthantheSucommemoratethebaptism.LaterhistoriansstudyinRomewiththeChristiancalendarfoundin354AD,December25pagesintherecord:"Christ'sbirthinBethlehemofJudea."Afterthestudy,generallyconsideredonDecember25forChristmasmaystartwithin336AD,theRomanChurch),inabout375ADinAsiaMinorspreadofAntioch,AD430,spreadtotheAdriaticinAlexandria,Egypt,thenspreadcoldChurchRoadacceptedinthelatest,andtheArmenianChurchisstillpersistJanuary6EpiphanyisthattheSubirth.December25istheoriginalPersianRa(brightgod)Mithra(Mithra)birthdayisaholidayinfidels,andTitanisoneoftheRomangods,goddessesofthecountry.ThisisthedaytheRomancalendaroftheWinterSolsticeFestival,theworshipofthesungodareinfidelsthisspringdayasthehopeofrevivingeverythingstart.MaybeduetothisreasonthattheRomanChurchbeforechoosingthisdayasChristmas.ThisisthechurchinitiallytriedtoChristianpagancustomsofoneofthemeasures.Later,whilemostchurcheshaveacceptedDecember25forChristmas,butthroughoutthechurch-thedifferentcalendarusedbyaspecificdatecannotbeuniform,soputDecember24tothesecondyearoftheJanuary6scheduledforChristmasFestivalperiod(ChristmasTide),canbebasedonlocalchurchesaroundthespecificcircumstancesduringtheperiodofthefestivaltocelebrateChristmas.SinceDecember25churchesrecognizedbythemajorityafterChristmas,theoriginalJanuary6ontheEpiphanyonlytocommemoratethebaptismofJesus,buttheCatholicChurchagainonJanuary6asa"three-sectiontotheNorthKorea"toMemorialHealthJesus,theEast-three(3-)tothestoryofapilgrimage.WiththespreadofChristianity,ChristmashadbecomeaChristiansects,themassesandthemassesofnon-Christiansanimportantfestival.ManycountriesinEuropeandtheUnitedStates,peopleattachgreatimportancetothisfestival,anditlinkedtotheNewYear,andthefestivecelebrationsandgrandgreatlyexceededtheNewYear,becomeanationalholiday.December25withthemaincommemorationofthebirthofthelegendoftheSu.