is the largest online archive of world war 1 photographs and texts. the Archive of World War 1 Photographs and Texts
History of World War 1 The Western Front The Russian Front Italian Front The Middle East Air Warfare War at Sea

Countries that Fought in World War 1

Thr First World War was fought between the Allied Powers and the Central Powers.

The Allied Powers

  • Kingdom of Serbia
  • Russian Empire (until November 1917)
  • France (including French colonial forces)
  • British Empire
  • United Kingdom of Great Britain and Ireland
  • Australia
  • Canada
  • New Zealand
  • Newfoundland (now a Province of Canada)
  • South Africa
  • Indian Empire
  • British crown colonies
  • Kingdom of Belgium (including Belgian colonial forces)
  • Kingdom of Montenegro
  • Empire of Japan
  • Kingdom of Italy (April 1915 and after)
  • Portugal
  • Kingdom of Romania (August 1916 and after)
  • Kingdom of Greece (May 1917 and after)
  • United States of America (April 1917 and after)

The Central Powers

  • Austria-Hungary
  • Bulgaria
  • German Empire
  • Ottoman Empire