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Civil War  |  Battle Map

Second Manassas - Longstreet’s Assault - August 30, 1862

Second Manassas - Longstreet's Assault - August 30, 1862

American Battlefield Trust's map of the Battle of Second Manassas - Longstreet’s Assault

In the aftermath of Fitz John Porter's failed attack against Jackson on August 30, the Union V Corps was in disarray. Making matters worse, Federal commander John Pope was still unaware that a fresh body of 28,000 Confederates under James Longstreet had arrived on the field and were poised to deliver a crushing blow to the disorganized Union left. In the largest simultaneous mass assault of the war, Longstreet's brigades crushed the Union left flank. First to collapse was the undersized brigade of the 5th and 10th New York Infantry regiments commanded by Col. Gouverneur K. Warren. In 15 minutes, both regiments lost over 400 men.

Learn More: The Battle of Second Manassas

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Related Battles

Gainesville, VA | August 28, 1862
Result: Confederate Victory
Estimated Casualties
22,177
Union
13,824
Confed.
8,353