Canada swore in Kim Campbell as the nation’s first female Prime Minister.
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Barbed wire was patented by Lucien B Smith in Ohio, US.
American colonies recorded their first astronomical event after observing a lunar eclipse.
The World Health Organization estimated that Yemen had over 200,000 cases of cholera.
The rainbow flag was flown for the first time at the San Francisco Gay Freedom Day Parade.
Finland declared war on the Soviet Union after an air raid was launched on Finnish cities.
