Annual Canadian holiday. Observed on July 1, it commemorates the formation of the Dominion of Canada on July 1, 1867. With the 1982 passage of the Canada Act, its name was officially changed to Canada Day. It is celebrated with parades, fireworks, flag display, and the singing of the national anthem, “O Canada.”
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From the 1960s into the 1980s, Dominion Day was the date the Miss Dominion of Canada beauty pageant, held at Niagara Falls, Ontario, to select the Canadian representative for the major international beauty pageants (Miss Universe, Miss World, Miss International, and Queen of the Pacific).