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.
Fourth Corps, Army of Northern Virginia Fourth Corps, Army of Northern Virginia The Fourth Corps was a military unit formed in October 1864 within the Army of Northern Virginia of the Confederate Army. It fought for the Confederate States of America during the late stages of the American Civil War. The corps was commanded by Richard H. Anderson during its short life and was combined with the Second Corps shortly before Lee's surrender on April 9, 1865. With the recovery of Lt. General James Longstreet from injury, which allowed him to resume leading the First Corps, a new Fourth Corps was created on October 19, 1864.