Tajik Soviet Socialist Republic by the Tajik republican branch within the Communist Party of the Soviet Union in all organs of government, politics and society. The Supreme Soviet was a unicameral legislature of the republic headed by a Chairman, with its superiority to both the executive and judicial branches and its members convened in the Supreme Soviet building in Dushanbe. Since independence in 1991, it retained the unicameral structure before being replaced by an bicameral system in 1999 using the presidential system. The republic's government structure was similar to those of other republics. Tajikistan was the only Central Asian Republic to not form an
Lithuanian Soviet Socialist Republic March 1990, with the Reconstituent Seimas declaring Lithuania's independence restored. Since Lithuania's membership in the USSR was considered a violation of the international law and void, there was no formal procedure of secession from the USSR. Lithuania declared sovereignty on its territory on 18 May 1989 and declared independence from the Soviet Union on 11 March 1990 as the Republic of Lithuania. Lithuania was the first Baltic state to assert state continuity and the first Soviet Republic to remove "Soviet" from its name (though not the first Soviet Republic to assert its national sovereignty and the supremacy of its national