Heritage Day
Heritage Day is celebrated in Alberta on the first Monday of August. Although it is not a statutory holiday, it may used as an optional holiday to celebrate Canadian heritage in the province.
Elsewhere on timeanddate.com
Civic/Provincial Day
Many Canadian provinces and territories have a civic holiday to celebrate some aspect of their culture or history on the first Monday of August.
British Columbia Day
British Columbia Day is a statutory holiday in the Canadian province of British Columbia.
Discovery Day
Discovery Day is a public holiday in the Canadian territory of Yukon on the third Monday of August. It commemorates the anniversary of the discovery of gold in Bonanza Creek in the 19th century.