Mercurius became Pope John II, making him the first pope to change their name after attaining popehood.
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A bus plunged 400ft from a cliff in Malshej Ghat, India, killing thirty people.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
The mapping of Mars' surface began.
The Alemanni crossed the frozen Rhine in large numbers and invaded the Roman Empire.
The Moon was photographed for the first time.
