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The Russian, Ukrainian, Byelorussian, and Transcaucasian republics formally merg
Featured Event 1922 Event

December 30

Soviet Union Forged: Communism Unites the Republics

The Russian, Ukrainian, Byelorussian, and Transcaucasian republics formally merged to create the Union of Soviet Socialist Republics, the world's first constitutionally socialist state. This new superpower would spend the next seven decades reshaping global politics through its rivalry with the West, its space program, and its support for communist movements across five continents.

December 30, 1922

104 years ago

Key Figures & Places

What Else Happened on December 30

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