Cobb, a film about the baseball player Ty Cobb and starring Tommy Lee Jones premiered.
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The world's first self-sustaining nuclear chain reaction happened in Chicago Pile-1 at the University of Chicago. It was overseen by Enrico Fermi.
The Chinese child Emperor Pu Yi ascended the Chinese throne at the age of two.
The Battle of Tirad Pass was fought.
The first artificial heart was successfully implanted.
Paleoanthropologist Louis Leakey discovered a 1.4 million-year-old Homo erectus in Olduvai Gorge, Tanzania.
