#Christmas_Day__Christmas__Xmas__Dec_25  a Christian holiday celebrating the birth of Christ; a quarter day in England, Wales, and Ireland
  supertype:  #legal_holiday  #holy_day_of_obligation  #quarter_day
  part of:  #December__Dec  the last (12th) month of the year
     part of:  #Gregorian_calendar__New_Style  the solar calendar now in general use, introduced by Pope Gregory XIII in 1582 AD to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752
     part of:  #winter__wintertime  the coldest season of the year

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