Treaty of Peace between the Central and Associated Powers and Belgium
Signed January 1, 1917
Location Simpsonhafen, German New Guinea
Effective January 20, 1917


  • Germany
  • Italy
  • Austria-Hungary
  • Ottoman Empire
  • Bulgaria
  • Belgium
Depositary German Government
Languages German, French, Italian



  • Germany gained all Belgian territorial possessions outside of Europe
  • Germany gained a small amount of land in between Luxembourg and the Netherlands.

Foreign Affairs

  • Belgium would no longer be required to be neutral in foreign affairs, and European countries could not protect Belgian neutrality.

Access to Sea

  • All signatories agreed to not block access to sea for any body of water, not including rivers within a country. 

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