Crimean Oblast was created in 1945.
Crimean Oblast ended in 1991.
Volyn Oblast was created in 1939.
Kurgan Oblast was created in 1943.
Kiev Oblast was created in 1932.
Kars Oblast was created in 1878.
Khmelnytskyi Oblast was created in 1937.
Kharkiv Oblast was created in 1932.
Belgorod Oblast was created in 1954.
Vinnytsia Oblast was created in 1932.
Penza Oblast was created in 1939.
Tver Oblast was created in 1935.
Lipetsk Oblast was created in 1954.