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
Armenian Soviet Socialist Republic agricultural hinterland to an important industrial production center, while its population almost quadrupled from around 880,000 in 1926 to 3.3 million in 1989 due to natural growth and large-scale influx of Armenian Genocide survivors and their descendants. On August 23, 1990, it was renamed the Republic of Armenia after its sovereignty was declared, but remained in the Soviet Union until its official proclamation of independence on 21 September 1991. Its independence was recognized on 26 December 1991 when the Soviet Union ceased to exist. After the dissolution of the Soviet Union, the state of the post-Soviet Republic of Armenia existed