History of Oceania

What side did the major countries of World War 1 fight on?

The major countries of World War 1 fought on the following sides:

Allied Powers:

- France

- Russian Empire

- British Empire

- United States (from 1917)

- Italy (from 1915)

- Japan

- Serbia

- Belgium

- Greece

- Portugal

- Romania

Central Powers:

- German Empire

- Austria-Hungary

- Ottoman Empire

- Bulgaria