Maine became the 23rd state to join the United States of America.
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The first installment of 'The Godfather,' starring Marlon Brando and Al Pacino, premiered in New York City.
Fuad I became King of Egypt.
Mikhail Gorbachev was elected as the Soviet Union's first President.
1.4 million students across 125 nations participated in the School Strike for Climate.
Robert Foster made a world record for holding his breath underwater.
