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
Peace of Riga Peace of Riga The Peace of Riga, also known as the Treaty of Riga (), was signed in Riga on 18 March 1921, between Poland, Soviet Russia (acting also on behalf of Soviet Belarus) and Soviet Ukraine. The treaty ended the Polish–Soviet War. The Soviet-Polish borders established by the treaty remained in force until the Second World War. They were later redrawn during the Yalta Conference and Potsdam Conference. World War I removed former imperial borders across Europe. In 1918, after the Russian Revolution had renounced Tsarist claims to Poland in the Treaty of Brest-Litovsk and the war had ended