Was Williamsburg ever the Capital of US?

Yes, Williamsburg, Virginia, was the capital of the United States for a brief period during the American Revolution. After the British invaded Philadelphia, the Continental Congress moved to Williamsburg in June 1776. The Congress met in the Capitol building, which still stands today and is now part of the Colonial Williamsburg Historic Area. Williamsburg served as the capital of the United States until the Congress returned to Philadelphia in March 1777.