NASA’s Mariner 9 became the first spacecraft to orbit another planet when it entered Mars’ orbit.
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Louis Timothee became America's first paid librarian.
Nellie Bly, a pioneering female journalist, embarked on a trip to travel around the world in less than 80 days.
The discovery of an Earth-like planet 3.2 times bigger than our world was announced.
German astronomer Gottfried Kirch discovered the Great Comet of 1680, the first comet sighted using a telescope.
A 7.8 magnitude earthquake hit Kaikōura, New Zealand.
