Second Battle of Bull Run (Second Manassas)

Second Battle of Bull Run (Second Manassas)
Name	Second Battle of Bull Run (Second Manassas)
Partof	American Civil War
Caption	"Second Battle of Bull Run" by Alonzo Chappel
Date	August 28–30, 1862
Place	Prince William County, Virginia
Result	Confederate victory
Combatant1	Union
Combatant2	Confederacy
Commander1	John Pope; George B. McClellan; Ambrose E. Burnside
Commander2	Robert E. Lee; James Longstreet; Thomas J. "Stonewall" Jackson
Strength1	~62,000
Strength2	~50,000–55,000
Casualties1	~10,000–16,000
Casualties2	~8,000–10,000

Second Battle of Bull Run (Second Manassas)

The Second Battle of Bull Run (Second Manassas) was a major engagement of the American Civil War fought August 28–30, 1862, near Manassas, Virginia in Prince William County, Virginia. The battle pitted the Union Army of Virginia under John Pope and elements of the Army of the Potomac against General Robert E. Lee's Confederate Army of Northern Virginia, producing a decisive Confederate victory that set the stage for the Maryland Campaign and the Battle of Antietam. The battle featured operational maneuver by Thomas J. "Stonewall" Jackson and a crushing flank attack led by James Longstreet.

Background

In the summer of 1862, the Peninsula Campaign had ended with the withdrawal of George B. McClellan's Army of the Potomac to the vicinity of Washington, D.C. and Alexandria, Virginia. Meanwhile, President Abraham Lincoln and Secretary of War Edwin M. Stanton placed John Pope in command of the newly created Army of Virginia, ordering aggressive operations in northern Prince William County, Virginia and along the Rappahannock River. Reacting to intelligence from J.E.B. Stuart and reports from Richard S. Ewell and A.P. Hill, General Robert E. Lee concentrated the Army of Northern Virginia elements to confront Pope, seeking to exploit interior lines and the aggressive tendencies of commanders such as James Longstreet and Thomas J. "Stonewall" Jackson.

Opposing forces

Union forces included the Army of Virginia under Pope augmented by corps from the Army of the Potomac including units associated with Burnside, McClellan-era divisions, and cavalry under John Buford and Alfred Pleasonton. Confederate forces comprised the Army of Northern Virginia under Robert E. Lee, with infantry corps led by James Longstreet, Thomas J. "Stonewall" Jackson, and division commanders such as Richard S. Ewell, A.P. Hill, D.H. Hill, and cavalry under J.E.B. Stuart. Artillery commands featured officers like Lafayette McLaws and J. Johnston Pettigrew.

Prelude and manoeuvres

Lee executed a bold plan to converge Jackson's wing and Longstreet's wing against Pope's dispersed corps, capitalizing on interior lines and reconnaissance from J.E.B. Stuart. Jackson conducted a wide march to seize the railroad junction at Manassas Junction and to threaten Pope's supply lines, while Longstreet maneuvered from the Rappahannock River crossings. Skirmishes at locations such as Bristoe Station and the fords of the Rappahannock River presaged the main clash. Pope misread Confederate intentions amid conflicting reports from subordinates like Nathaniel P. Banks and John C. Frémont, leading to piecemeal Union deployments near Bull Run and along the Groveton—also called the Brawner's Farm engagement—which intensified hostilities on August 28.

Battle

On August 28 Confederate forces under Stonewall Jackson assaulted Union columns at Brawner's Farm and at Groveton, inflicting losses and fixing Union troops in place. Heavy fighting on August 29 centered on the Brawner Farm and the Gaines' Mill–style localities near Chinn Ridge and entrenchments near Henry Hill, with artillery duels involving commanders such as William N. Pendleton. Pope ordered counterattacks and called upon reinforcements, while Longstreet massed a powerful corps on the Confederate right. On August 30 Longstreet launched a massive left-flank assault—often described as a "hammer blow"—striking the Union right and center, routing many Union units and turning the field into a retreat toward Centreville, Virginia and ultimately toward Washington, D.C. Pursuit by Confederate cavalry under J.E.B. Stuart harried withdrawing Union formations, and Union attempts to rally under Burnside and John F. Reynolds failed to restore the line.

Aftermath and casualties

Union casualties for the campaign ranged from roughly 10,000 to 16,000 killed, wounded, captured, or missing, including significant losses among brigades commanded by officers like Frederick W. Lander and divisions formerly of the Army of the Potomac. Confederate losses were approximately 8,000 to 10,000, with notable casualties among units led by A.P. Hill and Richard S. Ewell. The defeat compelled Pope to withdraw toward Washington, D.C., and prompted Abraham Lincoln to recall elements of the Army of the Potomac under George B. McClellan to defend the capital, directly influencing the timing of the Confederate Maryland Campaign.

Significance and legacy

The Confederate victory at Second Manassas consolidated Robert E. Lee's reputation for audacious operational command and elevated the prominence of subordinates like James Longstreet and Stonewall Jackson, while undermining John Pope's career and prompting political ramifications in Washington, D.C. The battle shaped Northern public opinion and contributed to the urgency behind the 1862 midterm elections and policy debates in the United States Congress. Militarily, the engagement showcased the effectiveness of concentrated flank attacks, cavalry reconnaissance exemplified by J.E.B. Stuart's rides, and the interaction of railroad logistics at Manassas Junction. Today the battlefield is preserved by organizations including the National Park Service and the Civil War Trust, and sites such as the Manassas National Battlefield Park commemorate the fighting, informing scholarship by historians like James M. McPherson, Bruce Catton, and Jeffry D. Wert.

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