User:Golbez. "Map of the states and territories of the United States from August 1789 to April 1790." Own work. Description: The map shows the organization of the Northwest Territory on August 7, 1789, and the Congress's acceptance of North Carolina's cession of its western lands on April 2, 1790. Permission: Own work, attribution required (Multi-license with GFDL and Creative Commons CC-BY 2.5).