Dr. Bernard Fantus and his team opened the very first “blood bank” in Cook County Hospital, Chicago, US.
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Explorer Christopher Columbus wrote a letter about his travels to the New World.
Mikhail Gorbachev was elected as the Soviet Union's first President.
Julius Caesar was assassinated.
1.4 million students across 125 nations participated in the School Strike for Climate.
The first installment of 'The Godfather,' starring Marlon Brando and Al Pacino, premiered in New York City.