On this day: November 8

Published On: Nov 08 2012 01:52:55 AM EST   Updated On: Nov 08 2014 02:00:00 AM EST

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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Atlantic Records

1971: Led Zeppelin releases "Led Zeppelin IV," which would go on to sell 23 million copies to become the third-best-selling album ever in the United States. It's also sold an additional 9 million copies around the world. The band's fourth album, which was actually unnamed, features many of their most famous songs, including "Black Dog," "Rock and Roll," "Going to California" and "Stairway to Heaven."