Bull Run, Battles of

Two engagements of the American Civil War fought at a stream near Manassas, Va.

The first battle (also called First Manassas) was fought on July 21, 1861, between 37,000 Union troops under Gen. Irvin McDowell (1818–85) and 35,000 Confederate troops under P.G.T. Beauregard and Joseph Johnston. In this first major encounter of the war, the Union assault was beaten back and the army retreated to Washington, D.C. The second battle took place on Aug. 29–30, 1862, between a Confederate force of more than 56,000 under Robert E. Lee and a Union army of more than 70,000 under John Pope. To prevent the Union army from being joined by the Army of the Potomac, Lee sent troops under Stonewall Jackson to march around Pope's right flank. Lee's attack forced the Union troops to withdraw as far as Washington, D.C. Casualties numbered 15,000 for the North and 9,000 for the South. Both battles strengthened the South's resolve and caused the North to review its military leadership and strategy.

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▪ American Civil War

also called  battles of Manassas  or  Manassas Junction  

 in the American Civil War, two engagements fought in the summers of 1861 and 1862 at a small stream named Bull Run (see photograph—>), near Manassas in northern Virginia; both battles gave military advantage to the Confederacy. The strategic significance of the location lay in the fact that Manassas was an important railroad junction.

 The First Battle of Bull Run (called First Manassas, by the South) was fought on July 21, 1861. Although neither army was adequately prepared at this early stage of the war, political considerations and popular pressures caused the Federal government to order General Irvin McDowell (McDowell, Irvin) to advance southwest of Washington to Bull Run in a move against Richmond, Virginia. The 22,000 Confederates under General P.G.T. Beauregard (Beauregard, P.G.T.), after initial skirmishing, had retired behind Bull Run in defensive positions three days earlier. To counter a Union flanking movement, the Confederates swiftly moved in 10,000 additional troops from the Shenandoah under General Joseph E. Johnston (Johnston, Joseph E). On July 21 the Union army assaulted the Confederates. The battle raged back and forth, but finally the arrival of Johnston's last brigade forced the Federals into a disorganized retreat to Washington. The victors were also exhausted and did not pursue them. From among 37,000 Northern men, casualties numbered about 3,000; of 35,000 Southern troops, between 1,700 and 2,000 were wounded or lost.

 The Second Battle of Bull Run took place more than a year later on August 29–30, 1862, between a Confederate army of more than 56,000 men under General Robert E. Lee (Lee, Robert E.) and a newly formed Federal force of 70,000 troops under Major General John Pope (Pope, John). It had become Pope's responsibility to cover Washington until his army could be joined with the Army of the Potomac. To prevent this, Lee split his forces and ordered General Thomas J. “Stonewall” Jackson (Jackson, Thomas Jonathan) to march around Pope's right flank; in two days Jackson had captured Pope's supply depot at Manassas and had safely hidden his three divisions in a nearby wood. August 27–29 saw considerable maneuvering and fighting while Lee rushed forward the main body of his army to join Jackson. On the afternoon of August 30, Confederate artillery fire prevented the success of a Union assault on Jackson's positions, after which Lee ordered his entire army forward in a grand counterattack. The Confederate victory was not complete because the Union forces withstood repeated assaults on certain defensive positions. Finally, however, Pope withdrew his defeated army across Bull Run and eventually retreated to the fortifications of the capital. Casualties on both sides were high: 15,000 for the North, 9,000 for the South.

 

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