#All_Saints'_Day__Allhallows__November_1__Hallowmas__Hallowmass  a Christian feast day honoring all the saints; first observed in 835
  supertype:  #holy_day_of_obligation  a day when Catholics must attend Mass and refrain from servile work, and Episcopalians must take Communion
  part of:  #November__Nov  the month following October and preceding December
     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:  #autumn__fall  the season when the leaves fall from the trees; "in the fall of 1973"

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