World War I 1919 Paris Peace Conference. The formation of the League of Nations was intended to prevent another world war, but for various reasons failed to do so. The rise of the Nazi Party and their central role in World War II led to a focus on how the Treaty of Versailles affected Germany, but the peace treaties in addition to various secret agreements during the war also transformed borders throughout Europe, Asia and the Middle East, with repercussions that still echo to this day. The term "First World War" was first used in September 1914 by German biologist and philosopher Ernst
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