On this day: September 6

Published On: Sep 05 2012 11:21:24 PM CDT   Updated On: Sep 06 2013 01:00:00 AM CDT

A president is shot, Cal Ripken Jr. breaks an unbreakable record, and the world mourns the passing of a princess, all on this day.

OTD September 6 - Piggly Wiggly
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Library of Congress

1916: The first self-service grocery store, Piggly Wiggly, is opened in Memphis, Tenn., by Clarence Saunders. The store incorporated shopping baskets, self-service branded products and checkouts at the front.

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