Army of Virginia Army of Virginia The Army of Virginia was organized as a major unit of the Union Army and operated briefly and unsuccessfully in 1862 in the American Civil War. It should not be confused with its principal opponent, the Confederate Army of "Northern" Virginia, commanded by Robert E. Lee. The Army of Virginia was constituted on June 26, 1862, by General Orders Number 103, from four existing departments operating around Virginia: Maj. Gen. John C. Frémont's Mountain Department, Maj. Gen. Irvin McDowell's Department of the Rappahannock, Maj. Gen. Nathaniel P. Banks's Department of the Shenandoah, and Brig. Gen. Samuel D.
Army of Northern Virginia it is generally referred to today as the Army of Northern Virginia, even if that is correct only in retrospect. In addition to Virginians, it included regiments from all over the Confederacy, some from as far away as Georgia, Texas and Arkansas. One of the most well known was the Texas Brigade, made up of the 1st, 4th, and 5th Texas, and the 3rd Arkansas, which distinguished themselves in numerous battles, such as during their fight for the Devil's Den at the Battle of Gettysburg. The first commander of the Army of Northern Virginia was General P.G.T. Beauregard (under its