#December__Dec  the last (12th) month of the year
  supertype:  #Gregorian_calendar_month  a month in the Gregorian calendar
  part of:  #Gregorian_calendar  #winter
  part:  #New_Year's_Eve__December_31  the last day of the year
  part:  #Christmas_Day__Christmas__Xmas__Dec_25  a Christian holiday celebrating the birth of Christ; a quarter day in England, Wales, and Ireland
  part:  #Christmas__Christmastide__Christmastime__Yule__Yuletide__Noel  period extending from Dec. 24 to Jan. 6
     part:  #Boxing_Day  (British) first weekday after Christmas
  part:  #mid-December  the middle part of December

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