Maine became the 23rd state to join the United States of America.
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Julius Caesar was assassinated.
Dr. Bernard Fantus and his team opened the very first 'blood bank' in Cook County Hospital, Chicago, US.
Robert Foster made a world record for holding his breath underwater.
The musical 'My Fair Lady' had its first performance on Broadway in New York City.
Mikhail Gorbachev was elected as the Soviet Union's first President.