In this war, one side was Axis nations while, on the other side Allied nations. In Allied nations, England, France, Russia, Japan, America, Italy, Serbia, Portugal, Rumania, China, Australia, Canada, and South Africa were included. Among Axis powers Germany, Austria, Hungary, Turkey and Bulgaria were included. In the beginning years of the war, Axis power won. Then Russia separated from war by the Treaty of Brest Litorsk in March 1918. With the victory of Allied nations war was ended on 11th November 1918. After war, peace summit was held in Paris and different treaties were made with different nations. Treaty of Versailles was signed with Germany.