World War I the war as being when the Versailles Treaty was signed in 1919, which was when many of the troops serving abroad finally returned home; by contrast, most commemorations of the war's end concentrate on the armistice of 11 November 1918. Legally, the formal peace treaties were not complete until the last, the Treaty of Lausanne, was signed. Under its terms, the Allied forces left Constantinople on 23 August 1923. After the war, the Paris Peace Conference imposed a series of peace treaties on the Central Powers officially ending the war. The 1919 Treaty of Versailles dealt with Germany and, building
Hungary in World War I and its allies from raising territorial claims against Hungary. They finally gave three quarter of pre-war Hungary to surrounding countries by the Peace Treaty of Trianon (4 June 1920). On November 11, 1918, World War I ended for Austria-Hungary with a complete military loss, even if at the time of the collapse, all forces were standing outside the borders of 1914. With the collapse of the army, Austria-Hungary also collapsed. The ethnic groups of Kingdom of Hungary called for independent nation-states. In the Treaty of Trianon signed on June 4, 1920, Hungary lost two-thirds of its territory, more than half