Gunslinger Doc Holliday dies, the X-ray is discovered by accident, John F. Kennedy is elected president, the Florida recount begins, and the "Guitar Hero" craze is born, all on this day.
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Christopher Keane/Wikimedia Commons
2011: Cartoonist Bil Keane, best known as the creator of the long-running newspaper comic "The Family Circus," dies from congestive heart failure at the age of 89 in Paradise Valley, Ariz.