Dominion of Pakistan was created in 1947.
Dominion Network ended in 1962.
Dominion Park ended in 1937.
Dominion Line ended in 1902.
Dominion of India ended in 1950.
Dominion of Ceylon ended in 1972.
Dominion Network ended in 1962.
Dominion Police ended in 1920.
The Dominion Bank ended in 1955.
Dominion - band - ended in 1998.
I believe the answer is British Raj.
Dominion Drama Festival ended in 1978.