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?
The Calgary Stampede
On 31 July 2021 what was one event held across the City of London to mark its reopening as the lockdowns of COVID-19 eased?
What annual event, held on a Monday for children and their parents, that was started in 1814 by First Lady Dolley Madison in the grounds of the Capitol, Washington DC, USA, is now held on the White House lawn?