Dance of the Knights

U.S. President Barack Hussein Obama II dances with his wife and First Lady Michelle LaVaughn Robinson Obama during the Western Inaugural Ball on January 20, 2009 in Washington, D.C. It was the day when the President Barack Obama was sworn in as the 44th President of the United States, becoming the first African-American to be elected President of the U.S. Photo: Chip Somodevilla/Getty Images.