- Revolutionary calendar - the calendar adopted by the first French Republic in 1793 and abandoned in 1805; dates were calculated from Sept. 22, 1792
--1 is a kind of solar calendar
--1 has part:Revolutionary calendar month; Vendemiaire; Brumaire; Frimaire; Nivose; Pluviose; Ventose; Germinal; Floreal; Prairial; Messidor; Thermidor; Fructidor