The British Army defeated Irish rebels at the Battle of Vinegar Hill.
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Manchester Mark I computer became the first stored computer to run a program at a lab at Manchester University, UK.
A Dutch pensions advisor, Johan de Witt, was severely wounded in a knife attack.
Cyrus McCormick patented the reaping machine.
New Hampshire became the 9th state to join the United States of America.
Louis St. Laurent resigned as the prime minister of Canada.