Canada has different events on this date depending on which province you live in:
Ontario: Simcoe Day
Nova Scotia: Natal Day
New Brunswick: New Brunswick Day
Manitoba: Civic Holiday
British Columbia: British Columbia Day
Prince Edward Island: Natal Day
Saskatchewan: Saskatchewan Day
Alberta: Heritage Day
Newfoundland and Labrador: Regatta Day
Northwest Territories: Civic Holiday
Yukon Territory: Discovery Day
Nunavut: Civic Holiday