On this day: November 16

Published On: Nov 14 2012 10:50:45 PM CST   Updated On: Nov 16 2016 01:00:00 AM CST

Coca-Cola patents its iconic contoured bottle, Al Capone leaves prison, Harry Potter makes his movie debut, and Prince William and Kate Middleton announce their engagement, all on this day.

OTD November 16 - Coke bottle
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U.S. Patent Office, Gavinmacqueen/Wikimedia Commons

1915: Coca-Cola receives a patent for the company's prototype for a contoured bottle. The prototype never made it into production since its middle diameter was larger than its base, making it unstable on conveyor belts. However, a version with a decreased diameter would make its commercial debut the following year and go on to become an iconic image for the company.

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