Paleoanthropologist Louis Leakey discovered a 1.4 million-year-old Homo erectus in Olduvai Gorge, Tanzania.
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The Battle of Tirad Pass was fought.
The United Kingdom became the first country to legalize the use of the Pfizer COVID-19 Vaccine.
The first artificial heart was successfully implanted.
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.
Charles Dickens gave his first public reading.
