Colombian drug lord Pablo Escobar was shot and killed in Medellín.
Source
NASA's Endeavour Space Shuttle was launched through Mission STS-61.
The 'I Robot' collection of sci-fi short stories by Isaac Asimov was published by Genome Press in the US.
The first artificial heart was successfully implanted.
Paleoanthropologist Louis Leakey discovered a 1.4 million-year-old Homo erectus in Olduvai Gorge, Tanzania.
The Battle of Tirad Pass was fought.