The ground on which Congress Hall stands was purchased for the Province of Pennsylvania in 1736. Moline Home Football Player Dakovion Kennedy Shirt Although there had been plans for a long time to erect a courthouse on the lot, it was not until 1785 that the Assembly of Pennsylvania passed an act to appropriate funds for the erection of the building. Work began in 1787 and was completed in 1789. This county court building became the meeting place of the first United States Congress, Third Session, on December 6, 1790. Frederick Augustus Muhlenberg was then Speaker of the House and John Adams, President of the Senate. It is today the oldest building standing in which the Congress of the United States has met.