The Tatar Autonomous Soviet Socialist Republic,[a] abbreviated as Tatar ASSR[b] or TASSR,[c] was an autonomous republic of the Russian SFSR.

The resolution for its creation was signed on 27 May 1920 and the republic was proclaimed on 25 June 1920.

The territory of the TASSR was a part of Kazan, Simbirsk, and Ufa Governorates (or gubernias) of the Imperial Russia before the October Revolution of 1917.

1918–24  Turkestan3 1918–41  Volga German4 1919–90  Bashkir 1920–25  Kirghiz2 1920–90  Tatar 1921–91  Adjarian 1921–45  Crimean 1921–91  Dagestan 1921–24  Mountain 1921–90  Nakhichevan 1922–91  Yakut 1923–90  Buryat1 1923–40  Karelian 1924–40  Moldavian 1924–29  Tajik 1925–92  Chuvash5 1925–36  Kazakh2 1926–36  Kirghiz 1931–92  Abkhaz 1932–92  Karakalpak 1934–90  Mordovian 1934–90  Udmurt6 1935–43  Kalmyk 1936–44  Checheno-Ingush 1936–44  Kabardino-Balkarian 1936–90  Komi 1936–90  Mari 1936–90  North Ossetian 1944–57  Kabardin 1956–91  Karelian 1957–92  Checheno-Ingush 1957–91  Kabardino-Balkarian 1958–90  Kalmyk 1961–92  Tuvan 1990–91  Gorno-Altai 1991–92  Crimean This Russian history–related article is a stub.

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