More than 30 military students were injured in a mass pillow fight leading to a ban of the event in future years.
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Exiled Soviet leader Leon Trotsky was assassinated with an ice axe in Mexico City.
Mother Teresa contracted malaria and spent one week in hospital in New Delhi, India.
A suicide bomber killed 57 people while injuring 66 in Gaziantep, Turkey.
NASA announced they would send a ship to Jupiter's moon, Europa, to look for extraterrestrial life.
The Iran-Iraq war ended in a stalemate after nearly eight years of conflict.
