Inauguration Day (US)
I do solemnly swear that I will faithfully execute the office of President of the United States, and will to the best of my ability, preserve, protect, and defend the Constitution of the United States.
The presidential inauguration is the official day that the President of the United States is sworn into office. The purpose of this inauguration is to honor the incoming president with formal ceremonies, including: a Presidential Swearing-in Ceremony, an Inaugural Address, and an Inaugural Parade.
Today Barack Obama becomes the 44th President of the United States, Joe Biden the Vice-President.