The capital city, Washington, District of Columbia, is a federal district located on land donated by the state of Maryland. (<answer>Virginia</answer> had also donated land, but it was returned in 1849.) The United States also has overseas territories with varying levels of independence and organization: in the Caribbean the territories of Puerto Rico and the U.S. Virgin Islands, and in the Pacific the inhabited territories of Guam, American Samoa, and the Northern Mariana Islands, along with a number of uninhabited island territories.
Which US state also donated territory to Washington, D.C., but had it returned?
Virginia