On this day: July 1

Published On: Jun 28 2013 03:06:05 PM CDT   Updated On: Jul 01 2016 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 - Andre Braugher
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Ethan Miller/Getty Images

1962: Actor Andre Braugher, best known for his TV roles on "Homicide: Life on the Street," "Men of a Certain Age" and "Brooklyn Nine-Nine," is born in Chicago, Illinois.

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