#Revolutionary_calendar_month  a month in the French Revolutionary calendar
  supertype:  #calendar_month__month  one of the twelve divisions of the calendar year; "he paid the bill last month"
  subtype:  #Vendemiaire  first month of the Revolutionary calendar (September and October); the month of the grape harvest
  subtype:  #Brumaire  second month of the Revolutionary calendar (October and November); the month of mist
  subtype:  #Frimaire  third month of the Revolutionary calendar (November and December); the frosty month
  subtype:  #Nivose  fourth month of the Revolutionary calendar (December and January); the snowy month
  subtype:  #Pluviose  fifth month of the Revolutionary calendar (January and February); the rainy month
  subtype:  #Ventose  sixth month of the Revolutionary calendar (February and March); the windy month
  subtype:  #Germinal  seventh month of the Revolutionary calendar (March and April); the month of buds
  subtype:  #Floreal  eighth month of the Revolutionary calendar (April and May); the month of flowers
  subtype:  #Prairial  ninth month of the Revolutionary calendar (May and June); the month of meadows
  subtype:  #Messidor  tenth month of the Revolutionary calendar (June and July); the month of harvest
  subtype:  #Thermidor  eleventh month of the Revolutionary calendar (July and August); the month of heat
  subtype:  #Fructidor  twelfth month of the Revolutionary calendar (August and September); the month of fruit

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