Inaugurals of Presidents of the U.S.

2 of 45: In this handout photo provided by the Department of Defense, Barack Obama is sworn in as the 44th president of the United States by Chief Justice of the United States John G. Roberts Jr. in Washington, D.C., Jan. 20, 2009. More than 5,000 men and women in uniform are providing military ceremonial support to the presidential inauguration, a tradition dating back to George Washington's 1789 inauguration. (Photo/MSgt Cecilio Ricardo)

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