|Covid-19|July 17 - Construction of the Lachine Canal in Montreal begins.
July - The Hudson's Bay Company merges with archrivals, the Montreal-based North West Company, creating unemployment for a substantial proportion of their Métis workforce.
No foreigners allowed in Russian-American waters, except at regular ports of call.
February 21 - John Beverley Robinson, politician (d.1896)
March 12 - John Abbott, politician and 3rd Prime Minister of Canada (d.1893)
July 2 - Charles Tupper, politician, Premier of Nova Scotia and 6th Prime Minister of Canada (d.1915)
July 6 - Henri Bernier, politician, businessman and manufacturer (d.1893)
August 13 - Philip Carteret Hill, politician and Premier of Nova Scotia (d.1894)
August 18 - Maurice Laframboise, lawyer, judge and politician (d.1882)
1821 in Canada Wikipedia
Events from the year 1821 in Canada.