<P> President John Adams also occupied the Market Street mansion from March 1797 to May 1800 . On Saturday, November 1, 1800, he became the first president to occupy the White House . The President's House in Philadelphia became a hotel and was demolished in 1832, while the unused presidential mansion became home to the University of Pennsylvania . </P> <Ul> <Li> <P> First Presidential Mansion: Samuel Osgood House, Manhattan, New York . Occupied by Washington: April 1789--February 1790 . </P> </Li> <Li> <P> Second Presidential Mansion: Alexander Macomb House, Manhattan, New York . Occupied by Washington: February--August 1790 . </P> </Li> <Li> <P> Third Presidential Mansion: President's House, Philadelphia, Pennsylvania . Occupied by Washington: November 1790--March 1797 . Occupied by Adams: March 1797--May 1800 . </P> </Li> <Li> <P> Government House, Manhattan, New York (1790--1791). Built to be the permanent presidential mansion, Congress moved the national capital to Philadelphia before its completion . </P> </Li> <Li> <P> House intended for the President, Philadelphia, Pennsylvania (1790s). Built to be the permanent presidential mansion, neither Washington nor Adams would occupy it . </P> </Li> </Ul> <Li> <P> First Presidential Mansion: Samuel Osgood House, Manhattan, New York . Occupied by Washington: April 1789--February 1790 . </P> </Li> <P> First Presidential Mansion: Samuel Osgood House, Manhattan, New York . Occupied by Washington: April 1789--February 1790 . </P>

Who owned the land the white house was built on