Other parts in this series at end of post. 1867 The first general election in Ontario’s history was held on Sept. 3, 1867. The Conservative Party was led by John Sandfield Macdonald, while the Liberals were led by Archibald McKellar. Macdonald was a close friend of Sir John A. Macdonald, but despite the same last … Continue reading Ontario’s Elections: The Mowat Years (1867 – 1894)