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 2012 presidential campaign twice. On January 20, 2009, Barack Obama was inaugurated as the 44th President of the United States. On April 4, 2011, President Obama officially announced his candidacy for re-election. The announcement was made via an online video titled "It Begins With Us", posted on his campaign website. The President also filled out official forms with the FEC at that time. President Obama did not face a significant challenge in the Democratic primaries, with no other candidate on the ballot in all but seven states. On April 3, 2012, Obama won the Maryland and District of Columbia primaries, giving him more