Gen. Irwin McDowell for the Union.
Gen. Joseph Johnston and Pierre Gustave Toutant Beauregard for the Confederacy.
Mainly because of superior Generals, like Johnston, and Jackson at first Manassas, and Lee at Second Manassas.
Joseph Johnston and P.G.T. Beauregard led the Confederate Army at the battle of First Manassas also called First Bull Run and won.
The Union general at the first Battle of Bull Run, or First Manassas, was Irvin McDowell and the Confederate generals were Joseph E Johnston and P G T Beauregard. At Second Bull Run, or Second Manassas, the Union general was John Pope. The Confederate generals were Robert E Lee, James Longstreet and Stonewall Jackson.
It was the first major battle.
Manassas Junction, Virginia.
The first major land battle of the Civil War was the First Battle of Bull Run, known to the South as First Manassas, in Virginia.
August 29-30, 1862 was the date for the Second Battle of Manassas. The First Battle of Manassas was fought July 21, 1861.
General McDowell—First Battle of Manassas
First and Second Battle of Manassas (named after the nearby creek)
The Battle of First Manassas.
The First Battle of Manassas as it was known in the South, or First Battle of Bull Run in the North.
The battle that these two generals fought was the First Battle of Bull Run (First Manassas) on July 21 1861. Beauregard and the Confederates soundly defeated McDowell's Union army.