January 3, 2008 - Announces his withdrawal from the presidential race.

August 23, 2008 - Is named the vice presidential running mate of Barack Obama.

November 4, 2008 - Is elected vice president of the United States.

January 15, 2009 - Resigns from the Senate.

January 20, 2009 - Is sworn in as vice president of the United States.

February 7, 2009 - Delivers first major speech as vice president at a security conference in Germany.

September 1, 2010 - Presides over a ceremony in Iraq to formally mark the end of the U.S. combat mission in Iraq.

November 6, 2012 - Barack Obama and Biden are re-elected as president and vice president of the United States defeating Mitt Romney and Paul Ryan.

January 20, 2013 - Is sworn in for his second term as vice president of the United States.