Arlington Line
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The Arlington Line was a series of fortifications that the
Union Army During the American Civil War, the Union Army, also known as the Federal Army and the Northern Army, referring to the United States Army, was the land force that fought to preserve the Union (American Civil War), Union of the collective U.S. st ...
erected in Alexandria County (now
Arlington County Arlington County is a county in the Commonwealth of Virginia. The county is situated in Northern Virginia on the southwestern bank of the Potomac River directly across from the District of Columbia, of which it was once a part. The county ...
),
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
, to protect the City of Washington during the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...
(see
Civil War Defenses of Washington The Civil War Defenses of Washington were a group of Union Army fortifications that protected the federal capital city, Washington, D.C., from invasion by the Confederate States Army during the American Civil War (see Washington, D.C., in the Am ...
and Washington, D.C., in the American Civil War).(1)
(2)
(3)
Just across the
Potomac River The Potomac River () drains the Mid-Atlantic United States, flowing from the Potomac Highlands into Chesapeake Bay. It is long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map. Retrieved Augus ...
from the
Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...
capital city,
Confederate Confederacy or confederate may refer to: States or communities * Confederate state or confederation, a union of sovereign groups or communities * Confederate States of America, a confederation of secessionist American states that existed between 1 ...
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth ar ...
was a major Union concern when the war began. In May 1861, federal troops seized much the County and immediately began constructing a group of forts near Washington on the Virginia side of the River to protect the capital city. After the
Confederate Army The Confederate States Army, also called the Confederate Army or the Southern Army, was the military land force of the Confederate States of America (commonly referred to as the Confederacy) during the American Civil War (1861–1865), fighting ...
routed the Union Army at the First Battle of Bull Run (Manassas) in late July 1861, the Union Army began construction on a line of breastworks and
lunette A lunette (French ''lunette'', "little moon") is a half-moon shaped architectural space, variously filled with sculpture, painted, glazed, filled with recessed masonry, or void. A lunette may also be segmental, and the arch may be an arc take ...
s to the west of the earlier fortifications. These and larger fortifications later constructed nearby became known as the Arlington Line. They included a lunette (
Fort Cass Fort Cass was a fort located on the Hiwassee River in present-day Charleston, Tennessee, that served as the military operational headquarters for the entire Cherokee removal, an forced migration of the Cherokee known as the Trail of Tears from the ...
) and Fort Whipple, which became parts of
Fort Myer Fort Myer is the previous name used for a U.S. Army post next to Arlington National Cemetery in Arlington County, Virginia, and across the Potomac River from Washington, D.C. Founded during the American Civil War as Fort Cass and Fort Whipple, t ...
, later to be renamed as
Joint Base Myer–Henderson Hall Joint Base Myer–Henderson Hall is a Joint Base of the United States military that is located around Arlington, Virginia which is made up of Fort Myer (Arl), Fort McNair (SW DC), and Henderson Hall. It is the local residue of the Base Reali ...
. The Arlington Line was never attacked, even after the federal defeat at the Second Battle of Bull Run (Manassas) in late August 1863. The Line therefore effectively served its strategic purpose. Major Daniel Phineas Woodbury was the Union engineer who designed and constructed the Arlington Line. One of its forts,
Fort Woodbury Fort Woodbury was part of the Arlington Line, an extensive network of fortifications erected in present-day Arlington County, Virginia to protect Washington, D.C. from Confederate attack during the American Civil War. Construction began on the ...
(which once stood in what is today Arlington's Courthouse neighborhood), was named for him.


Notes


References/External links


Arlington Historical Society - Military-use structures
{{coord, 38, 53, 22.5, N, 77, 5, 1.5, W, region:US-VA_type:landmark, display=title Virginia in the American Civil War Buildings and structures in Arlington County, Virginia Civil War defenses of Washington, D.C. 1861 establishments in Virginia