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.
Washington, D.C. White House, formerly known as the Executive Mansion (1810â1902), the official office and residence of the president of the United States at 1600 Pennsylvania Avenue N.W. in Washington, D.C. The White House and its landscaped grounds occupy 18 acres (7.2 hectares).