Which event held in Alberta, Canada, which bills itself as The Greatest Outdoor Show on Earth, is a large festival, exhibition, and rodeo held for 10 days every summer in July, attracts more than 1.2 million visitors?
Calgary stampede Calgary Exhibition and Stampede Rangeland derby Calgary Stampede Parade Calgary Stampede and Exhibition Calgary Stampede Stampede Park Calgary Stampede Rodeo The Calgary Stampede The Greatest Outdoor Show on Earth