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 is my honor to welcome the President of Slovakia to the Oval Office. Slovakia is an ally and friend of the United States. And in my time as President, I have come to admire this President. He's an easy man to talk to. He's got good, strong opinions, and I appreciate his values." More Videos

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

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