George Washington delivers the first State of the Union, Elvis is born, 14-year-old Bobby Fischer wins his first U.S. Chess Championships, and a gunman shoots Gabrielle Giffords and 18 others in Arizona, all on this day.
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Public domain
1642: Italian astronomer and scientist Galileo Galilei, whose achievements include improvements to the telescope and consequent astronomical observations and support for the Earth revolving around the sun, dies at the age of 77 in Arcetri, Grand Duchy of Tuscany, Italy.