The Confederates were commanded at First Manassas by General Joseph E. Johnston and Brigadier General P.G.T. Beauregard on July 21, 1861.
At the Second Battle of Manassas the commander was General Robert E. Lee on August 28 - 30, 1862.
The battle was Bull Run (Manassas), and the Confederate commander was Joseph E. Johnston, who ceded some authority to P.G.T. Beauregard on account of the latter's close knowledge of the terrain.
Lots of Confederate and Union troops alike
John Pope
The First Battle of Manassas took place on July 1,1861. The Second Battle of Manassas was a sequence of fighting which lasted from Aug. 27 through Sept. 1, 1862. Both were decisive Confederate victories.
The First Battle of Bull Run aka First Battle of Manassas.
the union forces defeated the confederate forces
Major General John Pope commanded the Federal Army of Virginia at the Second Battle of Manassas August 28-30, 1862.
The CSA won just about every battle and still lost the war. First Manassas, Second Manassas, Shiloh, and Chancellorsville were among many Confederate victories.
The Confederates were led by Robert E. Lee and Stonewall Jackson.
Braxton Bragg
The Union commander for the Second Battle of Bull Run (referred to as the Second Battle of Manassas in the South) was Major General John Pope.
First and Second Manassas, Chancellorsville, The Wilderness, Fredricksburg, Cold Harbor.