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
1962 in the Vietnam War military involvement in South Vietnam, provided that the government did not include President Diệm. That same month, North Vietnamese official Lê Duẩn instructed the leadership of the Viet Cong to avoid escalating the war by attacking cities as that might cause the United States to intervene in the war. The National Liberation Front in South Vietnam proposed to end the war in South Vietnam with a ceasefire, the withdrawal of American soldiers, and the creation of a coalition government of all factions pending elections. South Vietnam would become a neutral country, as were Cambodia and Laos, guaranteed by international treaty.