French Republican Calendar Timeline
15 Jul 1789
The day after the Storming of the Bastille, some French citizens begin dating letters as "the second day of freedom".
21 Sep 1792
The First French Republic is established.
24 Oct 1793
The French Republican calendar goes into effect.
The Concordat of 1801 restores the names of weekdays as they were under the Gregorian calendar.
1 Jan 1806
The French Republican calendar is officially replaced with the Gregorian calendar in France, over 12 years after its adoption.
6 May 1871 - 23 May 1871
The French Republican calendar is briefly revived during the Paris Commune of 1871.