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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Public domain
1862: William Wallace Lincoln, the 11-year-old son of President Abraham Lincoln and first lady Mary Todd Lincoln, dies at the White House, apparently of typhoid fever. He's seen here in a photo from 1855.