Battle of Cedar Mountain

Battle of Cedar Mountain, also known as the Battle of Slaughter's Mountain, was a significant engagement fought on August 9, 1862, in Culpeper County, Virginia. It marked the opening clash of Thomas J. "Stonewall" Jackson's campaign within the larger Northern Virginia Campaign led by General Robert E. Lee. The battle pitted Jackson's wing of the Army of Northern Virginia against the Union Army corps of Major General Nathaniel P. Banks, part of the newly formed Army of Virginia under Major General John Pope.

Background

In the summer of 1862, following the conclusion of the Peninsula Campaign, General Robert E. Lee reorganized his forces and sought to counter the threat posed by the newly created Union Army of Virginia under John Pope. To draw Union forces away from the vicinity of Richmond and prevent Pope from reinforcing McClellan's Army of the Potomac, Lee dispatched Jackson's wing northward to confront Pope. Jackson's movement aimed to strike Pope's forces before they could fully concentrate. The Union response was to advance Major General Nathaniel P. Banks's II Corps of the Army of Virginia into Culpeper County to protect the vital Orange and Alexandria Railroad and challenge the Confederate advance.

Opposing forces

The Union force was the II Corps of the Army of Virginia, commanded by Major General Nathaniel P. Banks, and consisted of the divisions of Brigadier Generals Alpheus S. Williams and Christopher C. Augur, with cavalry under Brigadier General John Buford. Banks's corps numbered approximately 8,000 men. The Confederate army was the left wing of the Army of Northern Virginia, commanded by Lieutenant General Thomas J. "Stonewall" Jackson. His command included his own famed Stonewall Brigade, now under Brigadier General Charles S. Winder, and the divisions of Major General A.P. Hill and Brigadier General William B. Taliaferro, totaling nearly 17,000 soldiers. Jackson's force was veteran and possessed high morale following successes in the Shenandoah Valley Campaign of 1862.

Battle

On the afternoon of August 9, Banks, perhaps seeking to avenge his earlier defeats by Jackson in the Shenandoah Valley, aggressively attacked the Confederate positions near Cedar Mountain. The initial Union assault, led by Brigadier General Samuel W. Crawford's brigade, overwhelmed the Confederate left flank held by Charles S. Winder's division, mortally wounding Winder. For a time, the Union troops drove deep into Jackson's lines, threatening a rout. Jackson personally rallied his crumbling troops, famously drawing his sword. The timely arrival of Major General A.P. Hill's Light Division from the march turned the tide of the battle. Hill's fresh brigades, including those of Brigadier Generals Lawrence O'Bryan Branch and James J. Archer, launched a powerful counterattack that halted and then reversed the Union advance. Fierce fighting continued until dusk, when Banks ordered a withdrawal across Cedar Run.

Aftermath

The Confederate counterattack secured a tactical victory for Jackson, with Union forces retreating to the north toward Culpeper. Casualties were heavy for the size of the forces engaged; the Union suffered approximately 2,353 men killed, wounded, or missing, while Confederate losses were about 1,338. The battle effectively checked the initial Union advance under John Pope and allowed Jackson to maintain a threatening position. It also provided crucial intelligence to General Robert E. Lee about the dispositions of the Army of Virginia, influencing his subsequent strategy that would culminate in the Second Battle of Bull Run. The engagement forced Pope to concentrate his army, setting the stage for the larger confrontations of the Northern Virginia Campaign.

Legacy

The Battle of Cedar Mountain is remembered as a hard-fought, bloody prelude to the larger campaigns of 1862. It demonstrated the continued aggressive tactical prowess of Stonewall Jackson and the fighting quality of the Army of Northern Virginia. The site of the battle is now preserved as part of the Cedar Mountain Battlefield, managed by the American Battlefield Trust and other preservation groups. The battle is frequently studied for its command decisions, particularly Banks's aggressive attack and Jackson's personal leadership in crisis. It holds a place in the historiography of the American Civil War as the opening clash in the series of maneuvers that led to the decisive Second Battle of Bull Run, a major Confederate victory.

Category:1862 in Virginia Category:Battles of the Eastern Theater of the American Civil War Category:Confederate victories of the American Civil War