The mapping of Mars’ surface began.
Mariner 9 started mapping over 85% of the surface area of Mars on this day.
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The Alemanni crossed the frozen Rhine in large numbers and invaded the Roman Empire.
Mercurius became Pope John II, making him the first pope to change their name after attaining popehood.
The Stardust space probe collected a sample of comet dust.
Georgia became the 4th state to join the United States of America.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
