Temporary capital of Lithuania constitutional claims, Kaunas was designated as a temporary or provisional capital until Vilnius would be "liberated from Polish occupation". In March 1938, Lithuania accepted a Polish ultimatum, demanding diplomatic relations. Despite normalised relations, the new Lithuanian Constitution, in May 1938, still claimed Vilnius as the "de jure" capital of Lithuania, and Kaunas remained as the temporary capital. Temporary capital of Lithuania The temporary capital of Lithuania () was the official designation of the city of Kaunas in Lithuania during the interwar period. It was in contrast to the declared capital in Vilnius, which was under Polish control from 1920 until
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