Exiled Soviet leader Leon Trotsky was assassinated with an ice axe in Mexico City.
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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.
Mother Teresa contracted malaria and spent one week in hospital in New Delhi, India.
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.