The Post Office is born, World War II gets its first flying ace, John Glenn becomes the first American to orbit the Earth, and a fire at a Great White concert leaves 100 dead, all on this day.
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1816: Gioachino Rossini's opera "The Barber of Seville" premieres at the Teatro Argentina in Rome, Italy, under the name "Almaviva, or the Futile Precaution."