History of Lithuania 1920, captured Vilnius the following day, and established a short-lived Republic of Central Lithuania in eastern Lithuania on October 12, 1920. The "Republic" was a part of Piłsudski's federalist scheme, which never materialized due to opposition from both Polish and Lithuanian nationalists. For 19 years, Kaunas was the temporary capital of Lithuania while the Vilnius region remained under Polish administration. The League of Nations attempted to mediate the dispute, and Paul Hymans proposed plans for a Polish–Lithuanian union, but negotiations broke down as neither side could agree to a compromise. Central Lithuania held a general election in 1922 that was
Lithuania July 1991, Soviet paramilitaries killed seven Lithuanian border guards on the Belarusian border in what became known as the Medininkai Massacre. On 17 September 1991, Lithuania was admitted to the United Nations. On 25 October 1992, the citizens of Lithuania voted in the referendum to adopt the current constitution. On 14 February 1993, during the direct general elections, Algirdas Brazauskas became the first president after the restoration of independence of Lithuania. On 31 August 1993, the last units of the Soviet Army left the territory of Lithuania. Since 29 March 2004, Lithuania has been part of the NATO. On 1