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 - Liv Tyler
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Gonzalo Fuentes/Reuters

1977: Actress and model Liv Tyler, best known for movies such as "Empire Records," "The Lord of the Rings" trilogy, "Armageddon," "The Strangers" and "The Incredible Hulk," is born Liv Rundgren in New York City. The daughter of Aerosmith's lead singer, Steven Tyler, and model and singer Bebe Buell, one of her earliest roles came when she appeared in Aerosmith's music video for "Crazy" in 1993.

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