DCHP-1 Online
Union Act Hist. 
the act of the British Parliament uniting Upper and Lower Canada into United Canada, passed July 23, 1840 and effective February 5, 1841.
See also: Union (def. 1) Union Bill United Canada
- 1882 He opposed the Union Act because he thought it unjust to the bulk of the French Canadian population.
- 1899 This county, which was at the time of the Union Act of 1840 known as the north riding of Northumberland, takes its name from the town of Peterborough.
- 1882 He opposed the Union Act because he thought it unjust to the bulk of the French Canadian population.