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Knoxville in Washington County, Maryland — The American Northeast (Mid-Atlantic)
 

Fort Duncan

Invasion Stalled

 

— Early's 1864 Attack on Washington —

 
Fort Duncan Marker image. Click for full size.
By Devry Becker Jones, May 21, 2021
1. Fort Duncan Marker
Inscription.  
In June 1864, Confederate Gen. Robert E. Lee sent Gen. Jubal A. Early's corps from the Richmond battlefields to the Shenandoah Valley to counter Union Gen. David Hunter's army. After driving Hunter into West Virginia, Early invaded Maryland to attack Washington, D.C., draw Union troops from Richmond, and release Confederate prisoners held at Point Lookout. On July 9, Early ordered Gen. Bradley T. Johnson's cavalry brigade eastward to free the prisoners. The next day, Johnson sent Maj. Henry Gilmer's regiment to raid the Baltimore area. Union Gen. Lew Wallace delayed Early at the Battle of Monocacy on July 9. Federal reinforcements soon strengthened the capital's defenses. Early attacked there near Fort Stevens on July 11-12 and then withdrew to the Shenandoah Valley with the Federals in pursuit. He stopped them at Cool Spring on July 17-18. Despite failing to take Washington or free prisoners, Early succeeded in diverting Federal resources.

When Confederate Gen. Jubal A. Early approached the defenses of Harpers Ferry with his main force on July 4, 1864, the Federals greeted him with fireworks. They fired real artillery

Fort Duncan Marker image. Click for full size.
By Devry Becker Jones, May 21, 2021
2. Fort Duncan Marker
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shells, however, from Fort Duncan—a quarter-mile in front of you on the high, rounded knoll—and the other fortifications of Maryland Heights. For four days, Union forces here delayed Early's advance, enabling reinforcements to reach the defensive lines around Washington, D.C., the principal Confederate objective.

Harpers Ferry was a threat to the success of any Confederate invasion of the North. In September 1862, as Gen. Robert E. Lee invaded Maryland in the Antietam Campaign, Gen. Thomas J. "Stonewall" Jackson captured the place easily to protect the army's rear. The defensive lines were so rudimentary that he was able to occupy the high ground and threaten to shell the town to pieces. The result was the largest surrender of Union troops in the war. Soon after the Confederates retreated to Virginia, however, the Federals constructed works on the heights, including Fort Duncan, that were unlikely to be overcome. The engineers selected this point for Fort Duncan because of its elevation and the right-angle bend in the Potomac River that protected its flanks. When Lee invaded again in 1863, he bypassed Harpers Ferry altogether. In 1864, when Early invaded, he found the works too strong to capture and instead moved around them and relied on the speed of his march to stay ahead of any threat to his rear.
 
Erected by Maryland Civil War

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Trails.
 
Topics and series. This historical marker is listed in these topic lists: Forts and CastlesWar, US Civil. In addition, it is included in the Maryland Civil War Trails series list. A significant historical month for this entry is June 1864.
 
Location. 39° 20.477′ N, 77° 44.584′ W. Marker is in Knoxville, Maryland, in Washington County. Marker is on Pleasantville Road 0.3 miles west of Pleasantville Road, on the left when traveling west. Touch for map. Marker is at or near this postal address: 18027 Pleasantville Rd, Knoxville MD 21758, United States of America. Touch for directions.
 
Other nearby markers. At least 8 other markers are within one mile of this marker, measured as the crow flies. Maryland Heights - Mountain Fortress of Harpers Ferry (approx. 0.8 miles away); Naval Battery (approx. one mile away); Mayors of Harpers Ferry, West Virginia (approx. one mile away in West Virginia); St. John Lutheran Church (approx. one mile away in West Virginia); St. John's Lutheran Church (approx. one mile away in West Virginia); Hiking Maryland Heights (approx. one mile away); Making a Mountain Citadel (approx. 1.1 miles away); Harpers Ferry / John Brown’s Fort (approx. 1.1 miles away in West Virginia).
 
 
Credits. This page was last revised on May 21, 2021. It was originally submitted on May 21, 2021, by Devry Becker Jones of Washington, District of Columbia. This page has been viewed 52 times since then. Photos:   1, 2. submitted on May 21, 2021, by Devry Becker Jones of Washington, District of Columbia.

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Jun. 23, 2021