Mari Autonomous Soviet Socialist Republic

Mari Autonomous Soviet Socialist Republic (Mari ASSR) was the successor of Mari Autonomous Oblast. When the Soviet Union disintegrated, the Mari ASSR became known as the Mari El Republic, a federal subject of the Russian Federation.

Autonomous Republics of the Soviet Union

Soviet Union

Abkhaz ASSR (1930 – 1992) Adjar ASSR (1921 – 1990) Bashkir ASSR (1919 – 1990) Buryat ASSR (1923 – 1990; Buryat–Mongol ASSR up to 1958) Chechen-Ingush ASSR (1936 – 1944; 1957 – 1990) Chuvash ASSR (1925 – 1990) Crimean ASSR (1921 – 1945; 1991 – 1992) Dagestan ASSR (1921 – 1991) Gorno-Altai ASSR (1990 – 1991) Kabardin ASSR (1944 – 1957) Kabardino-Balkar ASSR (1936 – 1944; 1957 – 1991) Kalmyk ASSR (1935 – 1943; 1958 – 1990) Karachay-Cherkess ASSR (1990 – 1991) Karakalpak ASSR (1932 – 1992) Karelian ASSR (1923 – 1940; 1956 – 1991) Kazakh ASSR (Kirghiz ASSR) (1920 – 1936) Komi ASSR (1936 – 1990) Mari ASSR (1936 – 1990) Moldavian ASSR (1924 – 1940) Mordovian ASSR (1934 – 1990) Mountain ASSR (1920 – 1924) Nakhchivan ASSR (1924 – 1990) North Ossetian ASSR (1936 – 1990) Tajik ASSR (1924 – 1929) Tatar ASSR (1920 – 1990) Turkestan ASSR (1918 – 1924) Tuva ASSR (1961 – 1990) Udmurt ASSR (1934 – 1991) Volga German ASSR (1918 – 1941) Yakut ASSR (1922 – 1990)