History of Oceania

Which country did World War 1 fight in?

The countries that fought in World War I include:

Allied Powers:

- Belgium

- British Empire

- France

- Greece (from 1917)

- Italy (from 1915)

- Japan

- Montenegro (from 1914 to 1916)

- Portugal (from 1917)

- Romania (from 1916)

- Russia (until March 1918)

- Serbia

- United States (from 1917)

Central Powers:

- Austria-Hungary

- Bulgaria (from 1915)

- Germany

- Ottoman Empire

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