Don Oblast
Don Oblast is a oblast of a union republic of the Soviet Union.
It is located in Russian Soviet Federative Socialist Republic and Soviet Union. The oblast of a union republic of the Soviet Union was established in 20 March 1920.
Don Oblast is a oblast of a union republic of the Soviet Union.
It is located in Russian Soviet Federative Socialist Republic and Soviet Union. The oblast of a union republic of the Soviet Union was established in 20 March 1920.