When was the Constitutional Act passed, dividing the Province of Quebec into Upper and Lower Canada?

Discover Canada records this constitutional reform with one direct sentence: The Constitutional Act of 1791 divided the Province of Quebec into Upper Canada (later Ontario), which was mainly Loyalist, Protestant and English-speaking, and Lower Canada (later Quebec), heavily Catholic and French-speaking. The year the test wants is therefore 1791, and the political point is the split of one colony into two.

The reasons for the split come from the migrations Discover Canada has just described in the same chapter. The Loyalists who arrived after 1776 — "more than 40,000 people loyal to the Crown" — settled in the Maritimes and in what was then the Province of Quebec. By 1791, the new English-speaking Protestant population of Loyalists in the western part of the province needed institutions of its own, while the older French-speaking, Catholic majority in the eastern part needed continuity. The 1791 Act addressed both: Upper Canada, mainly Loyalist, Protestant and English-speaking, became a distinct colony, and Lower Canada, heavily Catholic and French-speaking, kept its French civil-law tradition under the earlier Quebec Act of 1774.

Discover Canada places this 1791 reform inside what it calls "the beginnings of democracy." The same passage notes that representative assemblies had already been elected in "Halifax, Nova Scotia, in 1758," in "Prince Edward Island... in 1773" and in "New Brunswick in 1785." The 1791 Constitutional Act extended that pattern to the two new Canadas. The next major chapter — the Act of Union of 1840 — would re-merge them, but the 1791 split is the moment the names Upper Canada and Lower Canada entered Canadian history.

The 1791 date matters because it sits at a hinge in Discover Canada's timeline of Canada's pre-Confederation governance. The path runs from the Royal Proclamation of 1763, to the Quebec Act of 1774, to the Constitutional Act of 1791, to the Act of Union of 1840, and finally to Confederation in 1867. Each date is a step the test may ask about.

The 1791 split also matters demographically. Discover Canada's description of who lived where — Upper Canada "mainly Loyalist, Protestant and English-speaking", Lower Canada "heavily Catholic and French-speaking" — is the foundation for understanding why Ontario and Quebec evolved into the two distinct cultural blocs that still anchor Canadian federalism.