Caroline Willard Baldwin became the first woman in the USA to earn a PhD.
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Donald Trump ended family separation on the southern border.
Sheila Scott became the first woman to fly solo around the world.
Haitian coup d'état started, and President Henri Namphy overthrew President Leslie Manigat.
Samuel Morse was granted the patents for his telegraph.
At the age of 18, Queen Victoria ascended the throne after her uncle, King William IV, passed away.