On this day: September 17

Published On: Sep 14 2012 01:49:58 PM CDT   Updated On: Sep 17 2013 01:00:00 AM CDT

The U.S. Constitution is signed, the Civil War sees the bloodiest battle in American history, the prototype space shuttle Enterprise is unveiled, and the Camp David Accords bring peace between Egypt and Israel, all on this day.

OTD September 17 - Pittsburgh Civic Arena
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The National Trust for Historic Preservation

1961: The world's first retractable-dome stadium, the Civic Arena, opens in Pittsburgh. The arena featured a stainless steel dome, divided into eight sections, that could slide open in just three minutes. The main tenant of the arena, which was demolished over the course of nine months in 2011-2012, was the NHL's Pittsburgh Penguins.

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