On this day in 2009, Barack Obama was sworn into office as the 44th President of the United States. Watch him take the oath and deliver his inaugural address below, and read the full transcript here . At 12:01 that day, the very first post on the White House blog went up. Read it here now: Change Has Come to WhiteHouse.gov .

President Barack Obama averaged 44% job approval for his third year in office, which ended Jan. 19. His third-year average is down slightly from his second-year average of 47% and remains well below his first-year average of 57%.

New York Times Washington correspondent Jodi Kantor interviewed more than 200 sources, including White House aides and friends of the Obamas, to paint a portrait of the first family's life inside the White House.

US President Barack Obama, Vice President Joe Biden and their wives on Monday participated in community service projects to mark the holiday honoring slain civil rights leader Martin Luther King.

President Barack Obama first hired current Chicago Mayor Rahm Emanuel as his chief of staff when he took office in 2009. When Emanuel's mayoral ambitions took hold, William Daley was next. ABC News reports Daley has resigned and Jacob Lew will replace him as Obama's chief of staff. It's his third such job opening since January 2009's inauguration.

Barack Obama is inaugurated as the 44th president of the United States in the first such ceremony to be widely streamed live over the web.

After taking some brickbats from liberals over a tough three years, President Barack Obama burst into song to woo supporters before pleading with them to boost his reelection bid.

President Barack Obama dipped into New York Thursday evening for four fundraisers geared toward his re-election, but despite heavy support, some Occupy Wall Street demonstrators showed up to protest the events.

The GOP-controlled House on Wednesday kicked off another session with a protest vote against raising the government's borrowing cap by $1.2 trillion, but the maneuver amounted to political theater under a process stacked on purpose in President Barack Obama's favor.

Kevin Hagerty recalls the moment with utter joy. Almost three years ago to the day - on Jan. 20, 2009 - he attended President Barack Obama 's inauguration in Washington, D.C., and the White House "neighborhood ball" that night. "We looked up, and there