World War I was know as The First Great War The Great WarWolrd War I started in 1914 and did not end until 1918. The war was between the Allies who were, France, Britian, Russia, Italy, The United States, Romania, Greece, Serbia, and Japan. They fought against, Germany, Austria-Hungary, Turkey, and Bulgaria. The Central Power who were Germany, Austria-Hungary, Turkey, and Bulgaria .This was started because of nationalism and assassination of Franz Ferdinand in Sarajevo. Militarism also caused the war. Militarism was when the hostile camps builded up strong military armies during the years before the war. Frenx Ferdinand was assasinated by a Serbian nationalist belonging to an organization known as the Black Hand. Germany pledged its full support to Austria-Hungary pressuring them to declare war on Serbia while France strengthened its backing of Russia. Convinced that the Serbian government had conspired against them, Austria-Hungary issued Serbia an unacceptable ultimatum.
