The United States Environmental Protection Agency was formed in the US under Director William Ruckelshaus.
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The first artificial heart was successfully implanted.
Charles Dickens gave his first public reading.
Paleoanthropologist Louis Leakey discovered a 1.4 million-year-old Homo erectus in Olduvai Gorge, Tanzania.
NASA's Endeavour Space Shuttle was launched through Mission STS-61.
Colombian drug lord Pablo Escobar was shot and killed in Medellín.
