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
First Secretary of the Communist Party of Tajikistan was downgraded in November 1991 when then First Secretary Qahhor Mahkamov was appointed to the newly created executive position of President of the Tajik Soviet Socialist Republic. Mahkamov was the last First Secretary of the Communist Party of Tajikistan to also serve as head of state of Tajikistan when he resigned his office on August 31, 1991 following his support of the August Coup in Moscow. One of the most celebrated First Secretaries was Bobojon Ghafurov, a renowned scholar who wrote numerous works on the history of Tajikistan. See List of Presidents of Tajikistan for leadership of Tajikistan from 1991–present.