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
Barack Obama citizenship conspiracy theories January 8, 2009, and sworn in as President on January 20, litigation continued into his presidency. Numerous individuals and groups filed state or federal lawsuits seeking to have Obama disqualified from standing or being confirmed for the Presidency, or to compel him to release additional documentation relating to his citizenship. By mid-December 2008, at least 17 lawsuits had been filed challenging Obama's eligibility in states including North Carolina, Ohio, Pennsylvania, Hawaii, Connecticut, New Jersey, Texas and Washington. No such suit resulted in the grant of any relief to the plaintiffs by any court; all of the cases were rejected in