History of Oceania

List those countries involved in world war 1?

The major countries involved in World War 1 were:

Allied Powers:

* France

* United Kingdom

* Russian Empire

* Italy (from 1915)

* Japan (from 1914)

* United States (from 1917)

* Serbia

* Montenegro

* Belgium

* Romania

* Greece

* Portugal

* China

* Brazil

* Siam

Central Powers:

* Germany

* Austria-Hungary

* Ottoman Empire

* Bulgaria