Russia – Soviet Union 2 (1990) Map The “Russia – Soviet Union 2 (1990)” map is a geographical representation showing the political divisions of the Soviet Union in the year 1990. This historical document offers an insight into the territorial makeup of Russia and its satellite states at a critical juncture, just before the dissolution of the USSR in December 1991. The map delineates various union republics, autonomous oblasts, and autonomous okrugs within the Soviet Union, providing a useful resource for students, historians, and geography enthusiasts interested in understanding this significant period of post-war European history.