Arlington County

Arlington County, highlighted in map of Virginia

boundaries of District of Columbia defined the borders of Alexandria County, when it was retroceded back to Virginia in 1847 - but subsequent annexations by the City of Alexandria have altered the original straight lines
boundaries of District of Columbia defined the borders of Alexandria County, when it was "retroceded" back to Virginia in 1847 - but subsequent annexations by the City of Alexandria have altered the original straight lines of what is now Arlington County
Source: Library of Congress, District of Columbia (1835)

Virginia-District of Columbia Boundary

Cession and Retrocession of the District of Columbia

Alexandria County was occupied throughout the Civil War, and Fort Corcoran on Arlington Heights was just one of many military encampments
Alexandria County was occupied throughout the Civil War, and Fort Corcoran on Arlington Heights was just one of many military encampments
Source: Frank Leslie's Illustrated History of the Civil War (p.27)

the portion of Virginia ceded to the District of Columbia was undeveloped farmland outside of Alexandria
the portion of Virginia ceded to the District of Columbia was undeveloped farmland outside of Alexandria
Source: Library of Congress, Territoire de Columbia (1820)

the Virginia portion of the District of Colunbia was known as Alexandria County after it was retroceded to Virginia in 1847, until being renamed Arlington County in 1920 to distinguish it from the independent City of Alexandria
the Virginia portion of the District of Colunbia was known as Alexandria County after it was retroceded to Virginia in 1847, until being renamed Arlington County in 1920 to distinguish it from the independent City of Alexandria
Source: Library of Congress, A map of the state of Virginia, constructed in conformity to law from the late surveys authorized by the legislature and other original and authentic documents (1859)

topography of Arlington County
topography of Arlington County
Source: US Geological Survey (USGS), Alexandria, VA-DC-MD (2013)

Links

the Town of Potomac disappeared when annexed by Alexandria, and residents in the Town of Falls Church who lived in Arlington County had the boundary altered so they were excluded
the Town of Potomac disappeared when annexed by Alexandria, and residents in the Town of Falls Church who lived in Arlington County had the boundary altered so they were excluded
Source: A History of the Boundaries of Arlington County, Virginia

in 1901, there was no I-66 through Rosslyn, no Pentagon, no I-95 or Memorial Bridge, and no airport north of Four Mile Run
in 1901, there was no I-66 through Rosslyn, no Pentagon, no I-95 or Memorial Bridge, and no airport north of Four Mile Run
Source: University of Texas Perry-Castaņeda Library, Map of the District of Columbia, No. D-287, Commission on the Improvement of the Park System, 1901

the Town of Falls Church included East Falls Church in 1878
the Town of Falls Church included East Falls Church in 1878
Source: Library of Congress, Atlas of fifteen miles around Washington (1878)

in 1861, Confederates controlled Munson's Hill
in 1861, Confederates controlled Munson's Hill
Source: Illustrated London News, The Civil War in America: Munson's Hill. With the Earthwork Thrown up by the Confederates in Front of the Union Lines, Virginia (October 5, 1861)


Existing Virginia Counties
Virginia Counties
Virginia Places