Udmurt Autonomous Oblast was created in 1920.
Udmurt Autonomous Soviet Socialist Republic was created in 1934.
Karakalpak Autonomous Oblast was created in 1925.
Mari Autonomous Oblast was created in 1920.
Karachay Autonomous Oblast was created in 1926.
Moldavian Autonomous Oblast was created in 1924.
Jewish Autonomous Oblast was created in 1934.
Chechen Autonomous Oblast was created in 1922.
Khakas Autonomous Oblast was created in 1934.
Adyghe Autonomous Oblast was created in 1922.
Tuvan Autonomous Oblast was created in 1944.
Cherkess Autonomous Oblast was created in 1943.
Ingush Autonomous Oblast was created in 1924.