Soviet UnionThe Soviet Union, officially the Union of Soviet Socialist Republics (USSR), was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national republics; in practice, both its government and its economy were highly centralized until its final years. It was a one-party state governed by the Communist Party of the Soviet Union, with the city of Moscow serving as its capital as well as that of its largest and most populous republic: the Russian SFSR.
Mikhail GorbachevMikhail Sergeyevich Gorbachev (2 March 1931 – 30 August 2022) was a Soviet and Russian politician who served as the eighth and final leader of the Soviet Union from 1985 to the country's dissolution in 1991. He served as General Secretary of the Communist Party of the Soviet Union from 1985 and additionally as head of state beginning in 1988, as Chairman of the Presidium of the Supreme Soviet from 1988 to 1989, Chairman of the Supreme Soviet from 1989 to 1990 and the only President of the Soviet Union from 1990 to 1991.
Eastern BlocThe Eastern Bloc, also known as the Communist Bloc, the Socialist Bloc, and the Soviet Bloc, was the coalition of communist states of Central and Eastern Europe, East Asia, Southeast Asia, Africa, and Latin America under the power of the Soviet Union that existed during the Cold War (1947–1991). These states followed the ideology of Marxism–Leninism, in opposition to the capitalist Western Bloc.
Joseph Stalin'Joseph Vissarionovich Stalin' (born Ioseb Besarionis dze Jughashvili; – 5 March 1953) was a Soviet politician, political theorist, and revolutionary who led the Soviet Union from 1924 until his death in 1953, ruling as a dictator after consolidating power in the late 1920s. He served as General Secretary of the Communist Party of the Soviet Union from 1922 to 1952, and Chairman of the Council of Ministers from 1941 to 1953. Ideologically adhering to the Leninist interpretation of Marxism, Stalin formalised the state ideology of Marxism–Leninism, while his policies are called Stalinism.
PerestroikaPerestroika (ˌpɛrəˈstrɔɪkə; перестройка) was a political reform movement within the Communist Party of the Soviet Union (CPSU) from 1987 onward widely associated with CPSU general secretary Mikhail Gorbachev and his glasnost (meaning "transparency") policy reform. The literal meaning of perestroika is "restructuring", referring to the restructuring of the political and economic systems of the Soviet Union, in an attempt to end the Era of Stagnation. Perestroika allowed more independent actions from various ministries and introduced many market-like reforms.
Vladimir Lenin'Vladimir Ilyich Ulyanov ( 1870 – 21 January 1924), better known as Vladimir Lenin', was a Russian lawyer, revolutionary, politician and political theorist who served as the first and founding head of government of Soviet Russia from 1917 to 1924 and of the Soviet Union from 1922 to 1924. Under his administration, Russia, and later the Soviet Union, became a one-party socialist state governed by the Communist Party over the course of the Russian Civil War. Ideologically a Marxist, his development of the ideology is known as Leninism.
Central Committee of the Communist Party of the Soviet UnionThe Central Committee of the Communist Party of the Soviet Union was the executive leadership of the Communist Party of the Soviet Union, acting between sessions of Congress. According to party statutes, the committee directed all party and governmental activities. Its members were elected by the Party Congress. During Vladimir Lenin's leadership of the Communist Party, the Central Committee functioned as the highest party authority between Congresses.
October RevolutionThe October Revolution, known in Soviet historiography as the Great October Socialist Revolution, was a revolution in Russia led by the Bolshevik Party of Vladimir Lenin that was a key moment in the larger Russian Revolution of 1917–1923. It was the second revolutionary change of government in Russia in 1917. It took place through an armed insurrection in Petrograd (now Saint Petersburg) on . It was the precipitating event of the Russian Civil War.
KGBThe Committee for State Security (CSS) (Komitet gosudarstvennoy bezopasnosti (KGB), kəmjɪˈtjet ɡəsʊˈdarstvjɪn(ː)əj bjɪzɐˈpasnəsjtjɪ) was the main security agency for the Soviet Union from 13 March 1954 until 3 December 1991. As a direct successor of preceding agencies such as the Cheka, GPU, OGPU, NKGB, NKVD and MGB, it was attached to the Council of Ministers. It was the chief government agency of "union-republican jurisdiction", carrying out internal security, foreign intelligence, counter-intelligence and secret police functions.
Freedom of informationFreedom of information is freedom of a person or people to publish and consume information. Access to information is the ability for an individual to seek, receive and impart information effectively.