Timeline

20th century

1. December 30, 1922★★★★★

   Founding of the Soviet Union

   The Treaty on the Creation of the USSR unites Russia, Ukraine, Belarus and the Transcaucasian Federation into the Union of Soviet Socialist Republics.

   Politics· Russia, Ukraine, Belarus, Georgia, Armenia, Azerbaijan
2. December 26, 1991★★★★★

   Dissolution of the Soviet Union

   The Supreme Soviet formally dissolves the USSR, a day after Gorbachev's resignation.

   Politics· Russia, Ukraine, Belarus, Kazakhstan