Temporary capital of Lithuania during the invasion of Poland, to Lithuania according to the Soviet–Lithuanian Mutual Assistance Treaty. Since then Vilnius has been the capital of the Lithuanian SSR and then independent Lithuania. Lithuania refused to have diplomatic relations between Poland and Lithuania until the ultimatum of 1938. Railroad traffic, telegraph lines or even mail could not cross the Polish–Lithuanian border. Lithuania continued to declare Vilnius as its capital in all official documents, including the constitution. Since the city was controlled by Poland, all Lithuanian authorities were transferred to the city of Kaunas, which became the seat of the government. To reconcile reality with
Politics of Lithuania Politics of Lithuania Politics of Lithuania takes place in a framework of a unitary semi-presidential representative democratic republic, whereby the President of Lithuania is the head of state and the Prime Minister of Lithuania is the head of government, and of a multi-party system. Executive power is exercised by the President and the Government, which is headed by the Prime Minister. Legislative power is vested in both the Government and the unicameral Seimas (Lithuanian Parliament). Judicial power is vested in judges appointed by the President of Lithuania and is independent of executive and legislature power. The judiciary consists of the