the calgary stampede happens every year and has a rodeo, exhibits, and a festival held every july in calgary, alberta, canada. the ten-day event, which calls itself "the greatest outdoor show on earth," brings over one million visitors every year and has the world's largest rodeo. it also has a parade, rides, stage shows, concerts, farming games,and racing. people from calgary also begin wearing cowboy hats and other cowboy gear in spirit of the event. the stampede began as a farming fair in 1886 and turned into the calgary stampede in 1923.