On this day: July 1

Published On: Jun 28 2013 03:06:05 PM CDT   Updated On: Jul 01 2014 01:00:00 AM CDT

The Battle of Gettysburg begins, America's first zoo opens, the first Tour de France starts, the Sony Walkman hits the market, the PG-13 movie rating is introduced, and the Deepwater Horizon oil spill breaks an unfortunate record, all on this day.

OTD July 1 - Robert Mitchum
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Universal Pictures

1997: Actor Robert Mitchum, best known for movies such as "The Night of the Hunter," "Cape Fear," "Thunder Road" and "The Sundowners," dies of lung cancer at age 79 in Santa Barbara, California. Mitchum also became known in his later years for providing the voice of the famous American Beef Council commercials that touted "Beef . . . it's what's for dinner." He's seen here in the 1991 remake of "Cape Fear."

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