When and why did each province join Canada?
I do not know why each province joined Canada, but I can tell
you when they joined.
Ontario joined on July 1, 1867.
Manitoba joined on July 1, 1867.
New Brunswick joined on July 1, 1867.
Nova Scotia joined on July 1, 1867.
The Northwest Territories joined on July 15, 1870.
Manitoba joined on July 15, 1870.
British Columbia joined on July 20, 1871.
Prince Edward Island joined on July 1, 1873.
The Yukon joined on June 13, 1898.
Saskatchewan joined on September, 1905.
Alberta joined on September 1, 1905.
Newfoundland (later renamed Newfoundland and Labrador) joined on
March 31, 1949.
Nunavut joined on April 1, 1999.
Thanks for asking!