Eastern Front (World War I) a million German soldiers remained tied up in the east until the end of the war, attempting to run a short-lived addition to the German Empire in Europe. In the end, Germany and Austria lost all their captured lands, and more, under various treaties (such as the Treaty of Versailles) signed after the armistice in 1918. On 10 November, one day before the end of World War I, Romania re-declared war on the Central Powers, thus reigniting the Eastern Front. On 11 November, the last day of the war, the Romanian Army occupied Chernivtsi, the capital of the Austrian Duchy
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