Memorable State of the Union moments

Published On: Feb 12 2013 11:28:24 AM CST   Updated On: Jan 28 2014 08:14:48 AM CST

Look back at 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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