To send a message directly to a BlackBerry user's PIN: 1  If the PIN is associated with one of your contacts: 2  Open the Messaging application and select the icon (the open envelope and pencil).
The name Executive Mansion was used in official contexts until President Theodore Roosevelt established the formal name by having the de facto name White HouseâWashington engraved on the stationery in 1901.
On 1 November, in 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. First Presidential Mansion: Samuel Osgood House, Manhattan, New York.