Complex sentence: The franchise began in 1946 as the Humboldt Indians of the Saskatchewan Junior Hockey League and moved to Estevan to become the Bruins in 1957 and were a founding member of the Western Canada Junior Hockey League in 1966.
Split into simpler sentences: The franchise began in 1946 as the Humboldt Indians of the Saskatchewan Junior Hockey League and moved to Estevan to become the Bruins in 1957. They were a founding member of the Western Canada Junior Hockey League in 1966.