George Washington referred to "that Almighty Being" during his inaugural address in 1789. "God" didn't show up in an inaugural speech until more than three decades later. AP hide caption
Inauguration 2013 Explore NPR's coverage of Barack Obama's second presidential inauguration.
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Inauguration 2013
Explore NPR's coverage of Barack Obama's second presidential inauguration.
President Obama and first lady Michelle Obama attend an inaugural ball at the Walter E. Washington Convention Center on Monday night. Mandel Ngan/AFP/Getty Images hide caption
President Obama delivers his second inaugural address Monday in Washington. Stan Honda/AFP/Getty Images hide caption
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President Obama, as he paused to look back at the crowd before going into the Capitol. C-SPAN.org hide caption
President Obama gives his inaugural address after taking the oath of office Monday. Brendan Smialowski/AFP/Getty Images hide caption
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People gather near the U.S. Capitol for the inauguration ceremony on Monday. Joe Raedle/Getty Images hide caption
People wave American flags as they gather on the National Mall for the inauguration ceremony Monday. Joe Raedle/Getty Images hide caption
As a second-term president, Barack Obama necessarily generates less excitement than he did as a newcomer. Above, flags flew during his 2009 inauguration. Eric Purcell/FlickrVision via Getty Images hide caption
President Obama taking the oath of office today on the steps of the Capitol. First Lady Michelle Obama held the two Bibles on which he placed his hand. Alex Wong/Getty Images hide caption