What was the first use of the East Sitting Hall at the official residence and workplace of the President of the United States?
White House The White House is the official residence and workplace of the President of the United States. It is located at 1600 Pennsylvania Avenue NW in Washington, D.C., and has been the residence of every U.S. president since John Adams in 1800. The term "White House" is often used as a metonym for the president and his advisers, as in "The White House announced that...".
3rd United States Congress The Third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met at Congress Hall in Philadelphia Pennsylvania from March 4, 1793, to March 4, 1795, during the fifth and sixth years of George Washington's presidency.