Canada Day, formerly Dominion Day, Canadian national holiday, celebrated July 1. It is the anniversary of the uniting in 1867 of Upper and Lower Canada, New Brunswick, and Nova Scotia as the dominion of Canada.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on Canada Day from Infoplease:
See more Encyclopedia articles on: Days, Months, Holidays, and Festivals