U.S. President Barack Obama on Sunday took the oath of office for his second four-year term in a brief ceremony in the Blue Room of the White House accompanied by his wife Michelle and his two daughters.

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Supreme Court Chief Justice John Roberts swore in Obama using a Bible belonging to the first lady?s family in a televised ceremony, which preceded the public inauguration ceremony on Monday that 800,000 people are expected to attend.

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After the formal swearing-in, which lasted scarcely one minute, the president kissed his wife and daughters and said to Sasha, the younger of the pair, ?I did it.?

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The first lady and Malia, 14, wore blue outfits for the ceremony, while Sasha, 11, wore pink.

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According to the Constitution, Obama?s second term begins automatically on Jan. 20, but the public inauguration ceremony in front of the Capitol has been scheduled this year for Jan. 21.

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At the Monday ceremony, the president will take the oath of office once again, this time using a Bible used 150 years ago by Abraham Lincoln and another that was owned by African American civil rights leader Martin Luther King, Jr.

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A record number of people are expected to attend the second inaugural, but the 800,000 planned for will be far fewer than the almost 2 million who gathered in Washington on Jan. 20, 2009, to witness Obama?s historic swearing-in as the country?s first black president. EFE