What is the history of the United States Capitol Building?

Early in the history of the United State, the Capitol Building, or United States Capitol, was authorized and built in the newly formed capital of the US in Washington D.C. It was to serve as the seat of the legislative branch of the US government from 1800, when the legislative branch was moved from Philadelphia to Washington D.C. The site of Washington was seen as a compromise between Northern and Southern states which had disputed where the seat of government for the United States should be.