In September of 1791.
The Capital at Washington DC.
Benjamin Banneker
January 24th, 1791
It was approved by Congress in 1791 and finished in 1800.
Wahsington, DC
John Adams
Pierre L'Enfant.
Washington, DC
Washington DC was created as a unique territory or "federal district" in 1791.
benjamin banneker
George Washington was in charge when the capital city was being planned.