Episode 2 of 3

Signing of the Treaty

Name: Signing of the Treaty
Start: 1871-05-10
Location: Frankfurt

When: 10 May 1871
Where: Frankfurt
Part of: Treaty of Frankfurt ends the Franco-Prussian War

The Treaty of Frankfurt was signed on 10 May 1871, ending the Franco-Prussian War and transferring Alsace-Lorraine to Germany.

Signed in Frankfurt, the treaty ratified the preliminaries of Versailles. It formally ceded Alsace and part of Lorraine to the German Empire, establishing the Imperial Territory of Alsace-Lorraine. This act solidified the territorial changes resulting from the war.

Sources

Treaty of Frankfurt (1871) Wikipedia, revision of 2026-06-08
Alsace–Lorraine Wikipedia, revision of 2026-08-31

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.