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
  • set a framework for the withdrawal of German troops from certain areas
  • regulated the payment of the French War Indemnity

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