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 - Walter Matthau
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Warner Bros. Pictures

2000: Actor Walter Matthau, best known for movies such as "Charade," "The Odd Couple," "The Bad News Bears," "The Taking of Pelham One Two Three" and "Grumpy Old Men" (pictured), dies of a heart attack at age 79 in Santa Monica, California. Matthau won an Academy Award for Best Supporting Actor for 1966's "The Fortune Cookie" and also received Best Actor nominations for his roles in "Kotch" and "The Sunshine Boys."

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