Haitian coup d’état started, and President Henri Namphy overthrew President Leslie Manigat.
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The Wikimedia Foundation Inc. was founded in St. Petersburg, Florida.
Pope John Paul II was sent to hospital for 55 days after contracting an infection.
Caroline Willard Baldwin became the first woman in the USA to earn a PhD.
At the age of 18, Queen Victoria ascended the throne after her uncle, King William IV, passed away.
After years of discussions, the US adopted the Great Seal national symbol, which features the iconic bald eagle.