December 30th, 2023
On this date in 1922, Vladimir Lenin the Russian revolutionary who created Leninism, an extension of Marxist theory, proclaimed the establishment of the Union of Soviet Socialist Republics. The U.S.S.R. would remain a dominating world power, commonly referred to as the Soviet Union. In 1991, the U.S.S.R. was dissolved, with many of the nations formally comprising it seeking independence.
Source: www.history.com/this-day-in-history/ussr-established