NASA launched the Viking 1 planetary probe toward Mars.
The Viking 1 was the first successful Mars lander in history.
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More than 30 military students were injured in a mass pillow fight leading to a ban of the event in future years.
NASA announced they would send a ship to Jupiter's moon, Europa, to look for extraterrestrial life.
President Andrew Johnson declared that the American civil war was over.
The ''LZ 127 Graf Zeppelin” returned to Lakehurst, New Jersey, after being the first airship to circumference the earth in one journey.
A suicide bomber killed 57 people while injuring 66 in Gaziantep, Turkey.