World War 1
History of Europe

What were the countries in World War I?

151617

Answer

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12/09/2013

Britain,France,Serbia,Russia and the US on the allied side and opposing them were Austria-Hungary,Germany and Turkey.
There were two 'parties' during WW1 (28 July 1914 - 11 November 1918): the Centrals and the Allies.

Centrals

  • German Empire
  • Empire of Austria-Hungary
  • Ottoman Empire
  • Kingdom of Bulgaria (1915-1918)

Allies

Original allies

  • Russian Empire (left in 1917)
  • Third French Republic
  • United Kingdom

Joined in 1914

  • Kingdom of Serbia
  • Kingdom of Belgium
  • Kingdom of Montenegro
  • Empire of Japan
  • Principality of Albania
  • Andorra

Joined in 1915

  • Kingdom of Italy
  • San Marino

Joined in 1916

  • Portugal
  • Kingdom of Romania
  • Kingdom of Greece

Joined in 1917

  • United States of America
  • Kingdom of Siam
  • Bolivia
  • Cuba
  • Liberia
  • China
  • Brazil
  • Peru
  • Uruguay

Left in 1917

  • Empire of Russia (Peace of Brest-Litovsk)

Joined in 1918

  • Guatemala
  • Democratic Republic of Armenia
  • Nicaragua
  • Haiti
  • Honduras