<P> The District of Columbia retrocession was the process of returning to the state of Virginia a part of the land that had been ceded to the federal government of the United States for the purpose of creating Washington, D.C., the national capital . The area, formed in 1790 under the name of "District of Columbia", initially consisted of 100 square miles (259 km) ceded by the states of Maryland and Virginia in accordance with the Residence Act . </P> <P> In 1846, the area of 31 square miles (80 km) which was ceded by Virginia was returned, leaving 69 square miles (179 km) of territory originally ceded by Maryland as the current area of the District in its entirety . 21st - century proposals to return the remaining portion of the District of Columbia to the state of Maryland are cited as one way to provide full voting representation in Congress and return local control of the city to its residents . </P> <P> The Organic Act of 1801 organized the District of Columbia and placed the federal territory under the exclusive control of Congress . The District was organized into two counties, Washington on the east side of the Potomac River, and Alexandria on the west side . Following this Act, citizens located in the District were no longer considered residents of Maryland or Virginia, thus ending their representation in Congress . </P>

When did dc give land back to virginia