While the growth of the new nation was exponential, the United States didn’t have permanent location to house the Government. The First capital was temporary in New York City but by the second term of George Washington the Capital moved to Philadelphia for the following 10 years. Ultimately during the Presidency of John Adams, the Capital found a permanent home in the District of Columbia.
France sells Louisiana territories to U.S.A.
1812 · Harrisburg Becomes the State Capital
Harrisburg had important parts with migration, the Civil War, and the Industrial Revolution.