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
Home front during World War I remnants of Bulgarian military power and civilian morale. Troops mutinied and peasants revolted, demanding peace. By that month's end Bulgaria signed an armistice, giving up its conquests and its military hardware. The Bulgarian Czar abdicated and Bulgaria's war ended. The Treaty of Neuilly-sur-Seine in 1919 stripped Bulgaria of its conquests, reduced its army to 20,000 men, and demanded reparations of £100 million. Greece had been exhausted by the Balkan wars and sought to remain neutral, but its strategic position as the gateway to the Balkans made that impossible. In the National Schism, King Constantine I, a traditionalist who had German