The Calgary Stampeders are a professional Canadian football team based in Calgary. The Stampeders compete in the West Division of the Canadian Football League (CFL). The club plays its home games at McMahon Stadium and are the fifth oldest active franchise in the CFL. The Stampeders were officially founded in 1945, although there were clubs operating in Calgary since the 1890s.
The Calgary Stampeders have won eight Grey Cups, most recently in 2018, from their appearances in 17 Grey Cup Championship games. They have won 20 Western Division Championships and one Northern Division Championship in the franchise's history. The team has a provincial rivalry with the Edmonton Elks, as well as fierce divisional rivalries with the Saskatchewan Roughriders and the BC Lions.