Canada swore in Kim Campbell as the nation’s first female Prime Minister.
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American colonies recorded their first astronomical event after observing a lunar eclipse.
Barbed wire was patented by Lucien B Smith in Ohio, US.
Prince released his sixth album 'Purple Rain.'
The rainbow flag was flown for the first time at the San Francisco Gay Freedom Day Parade.
Former police officer Derek Chauvin was sentenced to 22.5 years in prison for the murder of George Floyd.