Peace treaty the United Nations headquarters. Famous examples include the Treaty of Paris (1815), signed after Napoleon's defeat at the Battle of Waterloo, and the Treaty of Versailles, formally ending the First World War conflict between Germany and the Western Allies. This is held to have ended World War I completely, but in fact that did not happen until the Allies concluded peace with the Ottoman Empire in 1920 through the Treaty of Sèvres. The Versailles treaty is possibly the most notorious of peace treaties, in that it is "blamed" by many historians for the rise of National Socialism in Germany and
U.S.–Austrian Peace Treaty (1921) formed the nucleus of the Austro-Hungarian Empire – was defeated by the Allied Powers, one of which was the United States of America. The US government declared war on Austria-Hungary on December 7, 1917. At the end of the war in 1918, Austria-Hungary disintegrated and Austria was established as an independent republic. In 1919, the victorious Allied Powers held a peace conference in Paris to formulate peace treaties with the defeated Central Powers. At the conference, a peace treaty with the Austrian government was concluded. Although the US government was among the signatories of that treaty, the Senate refused to