Mordovian Autonomous Soviet Socialist Republic

The Mordovian Autonomous Soviet Socialist Republic was an autonomous republic of the Russian SFSR within the Soviet Union. It is now known as the Republic of Mordovia, a federal subject of Russia.

History

The Mordovian Autonomous Soviet Socialist Republic was established on December 20, 1934 by the transformation from of Kuybyshev Krai. After Kuybyshev Krai was itself transformed into Kuybyshev Oblast, the Mordovian ASSR was separated from it and subordinated to the Russian Soviet Federative Socialist Republic.
On December 7, 1990, the Supreme Soviet of the Mordovian ASSR adopted the Declaration on the legal status of the Mordovian Republic, which transformed the republic into the Mordovian Soviet Socialist Republic. The republic was renamed the Republic of Mordovia on January 25, 1994.