Temporary capital of Lithuania historical grounds, as the city was the capital of the Grand Duchy of Lithuania. However, the city was multi-ethnic and other groups laid similar claims. Belarusians saw it as the capital of the Belarusian nation and laid claims to the heritage of the former Grand Duchy; Jews saw it as the capital of Yiddish culture; Poles saw it as a Polish-inhabited city. As Soviet forces pushed westward to spread the global proletarian revolution, German Ober-Ost administration evacuated and the Lithuanians withdrew to Kaunas. Vilnius was captured by the Red Army on January 5, 1919. During the Polish–Soviet War the city
Act of Independence of Lithuania the first Cabinet of Lithuania was formed, and the Council of Lithuania gained control over the territory of Lithuania. Independent Lithuania, although it would soon be battling the Wars of Independence, became a reality. The laconic Act is the legal basis for the existence of modern Lithuania, both during the interwar period and since 1990. The Act formulated the basic constitutional principles that were and still are followed by all Constitutions of Lithuania. The Act itself was a key element in the foundation of Lithuania's re-establishment of independence in 1990. Lithuania, breaking away from the Soviet Union, stressed that it