Episode 1 of 1
Final Day of Official Use
- When
- 31 December 1805
- Where
- Paris
31 December 1805 marked the last day the French Republican Calendar was officially used before the transition to the Gregorian system.
The French Republican Calendar remained in official use until the end of 1805. On 31 December 1805, it was used for the last time, as the new Gregorian calendar took effect on 1 January 1806, ending the revolutionary timekeeping system's primary era.
Sources
- French Republican calendar Wikipedia, revision of 2026-09-21
- Napoleon Wikipedia, revision of 2026-09-27
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.