Republics of the Soviet Union Republics of the Soviet Union The Republics of the Union of Soviet Socialist Republics or the Union Republics () of the Union of Soviet Socialist Republics (USSR) were ethnically based proto-states that were subordinated directly to the Government of the USSR. For most of its history, the USSR was a highly centralized state; the decentralization reforms during the era of "Perestroika" ("Restructuring") and "Glasnost" ("Openness") conducted by Mikhail Gorbachev are cited as one of the factors which led to the dissolution of the USSR in 1991. According to Article 76 of the 1977 Soviet Constitution, a Union Republic was a
Mikhail Gorbachev the flag of the Soviet Union was lowered from the Kremlin and was replaced with the Russian tricolor flag. The next day, 26 December, the Soviet of the Republics, the upper chamber of the Supreme Soviet, declared that the Soviet Union had ceased to exist as a functioning state, and formally voted both itself and the Union out of existence. Two days after Gorbachev left office, on 27 December 1991, Yeltsin moved into Gorbachev's old office. Gorbachev had aimed to maintain the CPSU as a united party but move it in the direction of Scandinavian-style social democracy. But when the