The Union of Soviet Socialist Republics (USSR) was formally established December 30, 1924 when the new government adopted a federal treaty and constitution. The government survived until December 31, 1991.
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The Union of Soviet Socialist Republics
Union of Soviet Socialist Republics
Union of Soviet Socialist Republics.
Union of Soviet Socialist Republics.
United Soviet Socialist Republics is the full, official name for the Soviet Union and often abbreviated USSR.
Union of Soviet Socialist Republics (USSR) also known as Soviet Union. Most of which was Russia.
1917
1922.
Union of Soviet Socialist Republics
Union of Soviet Socialist Republics
Union of Soviet Socialist Republics
Fifteen.