Exiled Soviet leader Leon Trotsky was assassinated with an ice axe in Mexico City.
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Estonia claimed its independence from USSR.
The Iran-Iraq war ended in a stalemate after nearly eight years of conflict.
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.
NASA announced they would send a ship to Jupiter's moon, Europa, to look for extraterrestrial life.
