Of the 42 presidents, only 17 have occupied the Oval Office. Discover more about the President's Office.

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President Bush on Thursday said, "It has been the privilege of a lifetime to serve as your President. There have been good days and tough days. But every day I have been inspired by the greatness of our country, and uplifted by the goodness of our people. I have been blessed to represent this nation we love. And I will always be honored to carry a title that means more to me than any other - citizen of the United States of America. And so, my fellow Americans, for the final time: Good night. May God bless this house and our next President. And may God bless you and our wonderful country." More Videos

View these historical photographs of the presidents and first ladies in rooms of the White House

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