Explanation

The Soviet Union, officially the Union of Soviet Socialist Republics

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History of the Soviet Union

Background

1917–1927: Establishment (founded)

1927–1953: Stalinism

1953–1964: Khrushchev Thaw

1964–1982: Era of Stagnation

1982–1991: Decline and collapse (dissolved)

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A flagship communist state, it was nominally a federal union of fifteen national republics

It was the largest country in the world, covering over 22,402,200 square kilometers (8,649,500 sq mi)

spanning eleven time zones.

Capital and largest city: Moscow

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Leader  

• 1922–1924: Vladimir Lenin

• 1924–1953: Joseph Stalin

• 1953: Georgy Malenkov

• 1953–1964 : Nikita Khrushchev

• 1964–1982: Leonid Brezhnev

• 1982–1984: Yuri Andropov

• 1984–1985: Konstantin Chernenko

• 1985–1991: Mikhail Gorbachev

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Head of state  

• 1922–1946 (first): Mikhail Kalinin

• 1988–1991 (last): Mikhail Gorbachev

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Head of government  

• 1922–1924 (first): Vladimir Lenin

• 1991 (last): Ivan Silayev

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Currency: Soviet ruble (Rbl) (SUR)

ND7-5-2023