Soviet Union – 1817 to 1991
The Soviet Union was a socialist state that existed from 1922 to 1991, encompassing Russia and several other republics across Eastern Europe and Central Asia. It was characterized by a one-party political system led by the Communist Party and played a major role in shaping global politics, especially during the Cold War, as well as influencing the events leading to the revolutions in Eastern Europe and its eventual dissolution.
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