Which countries were involved in World War One?

ooh i literally just studied this before Spring Break um...

The Allies: Great Britain, France, Russia, Japan, Italy

The Central Powers: Germany, Austria-Hungary, Bulgaria, Ottoman Empire

It was the Allies vs. the Central Powers and the Allies WON!

Then they created the Treaty of Versailles.

hope i helped!!

<3xD

The main allies were France, the Russian Empire, the British Empire, Italy and the United States.

The Central Powers were Germany, Austria-Hungary, the Ottoman Empire and Bulgaria.

You obviously have internet access, google "World War One" and do your own homework.

Allied states

Belgium (including Belgian colonial forces)

British Empire

Australia

British crown colonies

Canada

India

New Zealand

Newfoundland

South Africa

United Kingdom of Great Britain and Ireland

Empire of Japan

French Third Republic (including French colonial forces)

Kingdom of Greece (October 1915 and after)

Kingdom of Italy (April 1915 and after)

Kingdom of Montenegro

Kingdom of Serbia

Portugal (March 1916 and after) (including Portuguese colonial forces)

Kingdom of Romania (August 1916-May 1918)

Russian Empire (until November 1917)

United States of America (April 1917 and after)

as well as:

Albania

Andorra

Armenia (May 1918 and after)

Bolivia (April 1917 and after)

Brazil (October 1917 and after)

China (August 1917 and after)

Costa Rica (May 1918 and after)

Cuba (April 1917 and after)

Czecho-Slovak Republic (October 1918 and after) - See Czechoslovak Legions

Ecuador (December 1917 and after)

Guatemala (April 1918 and after)

Liberia (August 1917 and after)

Haiti (July 1918 and after)

Honduras (July 1918 and after)

Nicaragua (May 1918 and after)

Panama (December 1917 and after)

Peru (October 1917 and after)

San Marino (June 1915 and after)

Siam (July 1917 and after)

Uruguay (October 1917 and after

Central Powers

Bulgaria

Ottoman Empire

Austria-Hungary

German Empire

www.worldwar1.com/