Lithuania result of the staged Żeligowski's Mutiny in October 1920, Poland took control of Vilnius Region and annexed it as Wilno Voivodeship in 1922. Lithuania continued to claim Vilnius as its "de jure" capital and relations with Poland remained particularly tense and hostile for the entire interwar period. In January 1923, Lithuania staged the Klaipėda Revolt and captured Klaipėda Region (Memel territory) which was detached from East Prussia by the Treaty of Versailles. The region became an autonomous region of Lithuania. On 15 May 1920, the first meeting of the democratically elected constituent assembly took place. The documents it adopted, i.
Grand Duchy of Lithuania Grand Duchy of Lithuania The Grand Duchy of Lithuania was a European state that lasted from the 13th century to 1795, when the territory was partitioned among the Russian Empire, the Kingdom of Prussia and Austria. The state was founded by the Lithuanians, one of the polytheistic Baltic tribes from Aukštaitija. The Grand Duchy expanded to include large portions of the former Kievan Rus' and other Slavic lands, including what is now Belarus and parts of Ukraine, Poland and Russia. At its greatest extent, in the 15th century, it was the largest state in Europe. It was a multi-ethnic and