Frimaire was the third month in the French Republican Calendar. The month was named after the French word frimas, which means frost, and started on November 21, 22 or 23 of the Gregorian calendar. In Egyptian mythology, Month is an alternate spelling for Menthu. ... The French Republican Calendar or French Revolutionary Calendar is a calendar proposed during the French Revolution, and used by the French government for about twelve years from late 1793. ... Jump to: navigation, search The Gregorian calendar is the calendar that is used nowadays nearly everywhere in the world. ...