Post-Soviet transition in Ukraine Post-Soviet transition in Ukraine The post-Soviet transition in Ukraine was established following the country's independence in 1991 up until the adoption of its constitution in 1996. Ukraine's territory (including the Crimean Peninsula) was the same as that of the Ukrainian SSR with a land area of about 603,700 km. The Ukrainian Soviet Socialist Republic was one of the founding states of the Soviet Union (USSR). In 1985, Mikhail Gorbachev became head of state of the USSR and introduced a number of policies, such as the perestroika and glasnost. Instead of saving the Soviet regime, the reforms triggered a number of
Premier of the Soviet Union Premier of the Soviet Union The Premier of the Soviet Union () was the head of government of the Union of Soviet Socialist Republics (USSR). Twelve individuals became Premier during the time span of the office. Two of the twelve Premiers died in office of natural causes (Vladimir Lenin and Joseph Stalin), three resigned (Alexei Kosygin, Nikolai Tikhonov and Ivan Silayev) and three had the offices of party secretary and Premier simultaneously (Lenin, Stalin and Nikita Khrushchev). The first Premier was Lenin, who was inaugurated during 1922 after the Treaty on the Creation of the Soviet Union. Ivan Silayev spent