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.
The most memorable concert of the decade occurred at Wembley Stadium.
John Hinckley, who tried to kill President Reagan, was found not guilty on the grounds of insanity.
Burning the US flag was deemed legal.
J.K. Rowling published the 5th Harry Potter book 'The Order of the Phoenix.'
