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 Moon was photographed for the first time.
Martin Luther King Jr. pushed hard to encourage the registration of black voters in Selma.
The Alemanni crossed the frozen Rhine in large numbers and invaded the Roman Empire.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
Democratic Senator John F. Kennedy gave a speech announcing that he was running for US President.