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U.S. History

This Just In
Sep 25, 2014 07:00 AM ET // Paul Heltzel
White House security tightens after a breach. Let's take a look at some notable security moments in the history of the president's home office.
Sep 18, 2014 11:40 AM ET // Discovery News
Scotland's vote for independence is bold -- and unlikely to ever happen among states in the US.
Sep 11, 2014 02:00 PM ET // AFP
Americans on Thursday marked the 13th anniversary of the September 11, 2001 attacks.
Sep 1, 2014 02:00 PM ET // Talal Al-Khatib
For children growing up in ancient Sparta, India or China, back to school had an entirely different meaning than it does today.
Sep 1, 2014 07:00 AM ET // Lori Cuthbert
Some holidays seem to have been created just to sell greeting cards, but not these...
Jul 3, 2014 02:30 PM ET // Paul Heltzel
Don't feel bad if you're not observing Waffle Iron Day. But do check out our list of unusual holidays that have a traceable origin.
Jun 13, 2014 01:50 PM ET // Lori Cuthbert
Two nuclear bombs that could have exploded in North Carolina miraculously did not.
Jun 12, 2014 05:30 PM ET // Benjamin Radford
A recent -- and quickly debunked -- 9/11 conspiracy video went viral. What explains the enduring appeal?
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