14 Memorable State of the Union moments

Published On: Feb 12 2013 11:28:24 AM CST   Updated On: Jan 20 2015 02:00:00 AM CST

As President Barack Obama prepares to deliver his State of the Union address Tuesday night, look back at some of the memorable moments in State of the Union addresses through the years.

State of Union Moments - Reagan 1986
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1986: Tragedy Causes Delay -- For the first time, the State of the Union address is delayed after the Space Shuttle Challenger blew up shortly after lift-off on the day the speech was scheduled.

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