a Canadian national holiday celebrated on July 1, in commemoration of the formation of the Dominion on July 1, 1867.
Formerly Dominion Day.
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British Dictionary definitions for canada day
(in Canada) July 1, the anniversary of the day in 1867 when Canada became the first British colony to receive dominion status: a bank holidayFormer name: Dominion Day
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012