Barbed wire was patented by Lucien B Smith in Ohio, US.
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The Supreme Court of the United States decided on the rule that police cannot examine the contents of a cell phone without a search warrant.
Virginia became the 10th state to join the United States of America.
Canada swore in Kim Campbell as the nation’s first female Prime Minister.
Prince released his sixth album 'Purple Rain.'
This day marked the end of Edward V of England's reign.
