FTP, name this July 1861 battle in Virginia, the first of two at the same site, sometimes called the first major battle of the Civil War.
Confederate Colonel Bartow and General Bee were killed in this battle.  Union forces crossed a river at Sudley Ford and drove the Confederates back to Henry Hill, but after a brigade of reinforcements arrived by train from the Shenandoah Valley, the Union line was broken, and McDowell's men had to make a hasty retreat.  "Stonewall" Jackson earned his nickname here, and the battle led to McDowell being replaced by George McClellan.  FTP, name this July 1861 battle in Virginia, the first of two at the same site, sometimes called the first major battle of the Civil War.
Confederate Colonel Bartow and General Bee were killed in this battle.  
First Battle of Manassas, or First Battle of Bull Run