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Noun: World War I
  1. A war between the allies (Russia, France, British Empire, Italy, United States, Japan, Rumania, Serbia, Belgium, Greece, Portugal, Montenegro) and the Central Powers (Germany, Austria-Hungary, Turkey, Bulgaria) from 1914 to 1918
    - World War 1, Great War, First World War, War to End War

Type of: world war

Encyclopedia: World War I, Bibliography