March 29 - Queen Victoria gives royal assent to the British North America Act
July 1 - The Province of Canada, Nova Scotia, and New Brunswick are united into the Dominion of Canada by the British North America Act.
July 1 - Sir John A. Macdonald becomes the first prime minister of the Dominion of Canada
July 4 - Hiram Blanchard becomes premier of Nova Scotia, replacing Charles Tupper
July 15 - Pierre-Joseph-Olivier Chauveau becomes the first premier of Quebec.
July 16 - J. S. Macdonald becomes the first premier of Ontario
August 7-September 20 - The 1867 Canadian election sees John A. Macdonald's Conservatives elected as government
September 3 - Ontario election: J. S. Macdonald Liberal-Conservatives win a minority
November 6 - First Parliament of Canada meets
November 7 - William Annand becomes premier of Nova Scotia, replacing Hiram Blanchard
Andrew Wetmore becomes becomes premier of New Brunswick, replacing Peter Mitchell
February 2 - Charles Saunders, botanist
February 20 - Flora Denison, feminist
March 31 - Noah Timmins, mining executive
October 19 - Marie Gérin-Lajoie, organizer