Mercurius became Pope John II, making him the first pope to change their name after attaining popehood.
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The mapping of Mars' surface began.
Martin Luther King Jr. pushed hard to encourage the registration of black voters in Selma.
The Duquesne Spy Ring, a Nazi German espionage network, was sentenced to prison.
The Moon was photographed for the first time.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
