Revolution Calendar. The allegorical figure of philosophy sits atop a stone outcropping amid various symbols of. The revolutionary calendar was officially in use from 22 september 1793 (1st vendémiaire of year ii) till the end of 1805 (11.

The french revolutionary calendar (or republican calendar) was officially adopted in france on october 24, 1793 and abolished on 1 january 1806 by emperor napoleon i. The french republican calendar was adopted during the.