Barack Hussein Obama II (born August 4, 1961) is the forty-fourth and current President of the United States of America. He is the first African American to be elected to the office. Obama was the junior United States Senator from Illinois from January 3, 2005 until his resignation on November 16, 2008, following his election to the presidency. He was sworn in as the forty-forth President of the United States on January 20, 2009 in an inaugural ceremony at the U.S. Capitol.
The 2009 inauguration of Barack Obama as the forty-fourth President of the United States took place on January 20, 2009, under the provisions of the Twentieth Amendment to the United States Constitution. The inauguration marked the commencement of the four-year term of Barack Obama and Joe Biden as President and Vice President, respectively. The inauguration is expected to draw a record-setting crowd of over two million people. The theme of the inauguration was "A New Birth of Freedom," commemorating the 200th anniversary of the birth of Abraham Lincoln.