The Treaty of Frankfurt was signed May 10, 1871, at the end of the Franco-Prussian War.
The treaty:
- confirmed the final frontier between France and Germany - involving the cession of most of Alsace and the Lorraine departement of Moselle to Germany.
- set a framework for the withdrawal of German troops from certain areas
- regulated the payment of the French War Indemnity of 5 billion francs
- the acceptance of Wilhelm I of Prussia to be Kaiser of the German Empire
- forced to have military occupations in France until indemnity is paid
It also clarified the following points:
- the use of navigable waterways in connected to Alsace-Lorraine
- trade between the two countries.
- the return of prisoners of war
