The Medicine Hat Tigers were approved as an expansion team in January 1970, for the upcoming 1970–71 season. The Regina Pats were accepted into the WCHL, which increased league to ten teams by May 1970.
The Medicine Hat Tigers were authorized as an expansion team in January 1970, for the upcoming 1970–71 season. The Regina Pats joined the WCHL, which expanded the league to ten teams by May 1970.