Second inauguration of Barack Obama 1937, the 4-year term of the President and Vice President have ended and begun at noon on January 20, as prescribed by the Twentieth Amendment to the United States Constitution. Because January 20, 2013, fell on a Sunday, both Obama and Biden were officially sworn in privately, and then again the following day in a public ceremony. This was the seventh time since the start of James Monroe's second term in office, in 1821, that the oath of office was officially administered in a Sunday private ceremony. Chief Justice John Roberts administered the oath of office to the President on
First inauguration of Barack Obama culmination of the presidential transition of Barack Obama that began when he won the United States presidential election on November 4, 2008 and became the President-elect. In accordance with of the United States Constitution, Obama resigned from the United States Senate effective November 16, 2008. He was formally elected by the Electoral College on December 15, 2008. The results were certified by a joint session of Congress on January 8, 2009. Obama, who originally campaigned using the slogan "Change We Can Believe In" and later "Change We Need", was widely celebrated as the first African American president of the United