April 9: on this day in history

Historical events

1. 1387Thessaloniki surrendered to the Ottoman army after a long siege.
2. 1784King George III of Great Britain ratified the Treaty of Paris, which ended the American War of Independence.
3. 1860French inventor Édouard-Léon Scott de Martinville made the earliest known recording of the human voice.
4. 1939After being barred from performing in a concert hall because she was Black, singer Marian Anderson gave a concert at the Lincoln Memorial.
5. 1967The Boeing 737, one of the world's most widely produced airliners, made its first flight.

More days in April

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