The British Army defeated Irish rebels at the Battle of Vinegar Hill.
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Louis St. Laurent resigned as the prime minister of Canada.
J.K. Rowling published the 5th Harry Potter book 'The Order of the Phoenix.'
A Dutch pensions advisor, Johan de Witt, was severely wounded in a knife attack.
Cyrus McCormick patented the reaping machine.
Carl Nassib became the first openly-gay NFL player to play a regular-season game.
