Act of Union 1840
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| Act of Parliament | |
| Long title | An Act to reunite the Provinces of Upper and Lower Canada, and for the Government of Canada. |
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| Citation | 3 & 4 Vict. c. 35 |
| Dates | |
| Royal assent | 23 July 1840 |
| Commencement | 10 February 1841 |
| Other legislation | |
| Amended by | Statute Law Revision Act 1874 (No. 2) |
The British North America Act, 1840 (3 & 4 Vict. c. 35), also known as the Act of Union 1840, (French: Acte d’Union) was approved by Parliament in July 1840 and proclaimed February 10, 1841, in Montreal. It abolished the legislatures of Lower Canada and Upper Canada and established a new political entity, the Province of Canada to replace them.