Alexandria became independent of Alexandria County in 1870. The remaining portion of Alexandria County changed its name to Arlington County in 1920.
Return to Virginia
Over time, a movement grew to separate Alexandria from the District of Columbia. As competition grew with the port of Georgetown and the Chesapeake and Ohio Canal fostered development on the north side of the Potomac River, the city's economy stagnated. In addition, many in Alexandria hoped to benefit from land sales and increased business from the federal government, which had no need for the land south of the river at the time. Also, its residents had lost representation and the right to vote at any level of government.
Alexandria was also an important port and market in the slave trade, and there were increasing talk of the abolition of slavery in the national capital. Alexandria's economy would suffer greatly if slavery were outlawed. At the same time, there was an active abolition movement in Virginia, and the state's General Assembly was closely divided on the question of slavery (resulting in the formation of West Virginia some years later by the most anti-slavery counties). Alexandria and Alexandria County would provide two new pro-slavery representatives.
After a referendum, voters petitioned Congress and Virginia to return the area to Virginia. The area was retroceded to Virginia on July 9, 1846.
American Civil War
The first fatalities of the North and South in the American Civil War occurred in Alexandria. Within a month of the Battle of Fort Sumter, where two died, Union troops occupied Alexandria, landing troops at the base of King Street on the Potomac River on May 24, 1861. A few blocks up King Street from their landing site, the commander of the New York Fire Zouaves, Colonel Elmer E. Ellsworth, sortied with a small detachment to retrieve a large Confederate flag displayed on the roof of the Marshall House Inn that had been
