World War I by President Warren G. Harding. For the United Kingdom and the British Empire, the state of war ceased under the provisions of the "Termination of the Present War (Definition) Act 1918" with respect to: After the Treaty of Versailles, treaties with Austria, Hungary, Bulgaria, and the Ottoman Empire were signed. However, the negotiation of the treaty with the Ottoman Empire was followed by strife, and a final peace treaty between the Allied Powers and the country that would shortly become the Republic of Turkey was not signed until 24 July 1923, at Lausanne. Some war memorials date the end of
Treaty of Lausanne Treaty of Lausanne The Treaty of Lausanne () was a peace treaty signed in the Palais de Rumine, Lausanne, Switzerland, on 24 July 1923. It officially settled the conflict that had originally existed between the Ottoman Empire and the Allied French Republic, British Empire, Kingdom of Italy, Empire of Japan, Kingdom of Greece, and the Kingdom of Romania since the onset of World War I. The original text of the treaty is in French. It was the result of a second attempt at peace after the failed Treaty of Sèvres, which was signed by all previous parties, except the Kingdom