On July 1st, 1867 Canada was formed into a confederation in British North America Act 1867. 3 British Colonies United Canada, Nova Scotia, and New Brunswick were united into one dominion called Canada. It was called a dominion under British America. Until 1982 it was called Dominion Day. Every Canadian should not miss this opportunity to send this heart-touching Happy Canada Day wish e-card to their friends, and family.