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 in the first six months from about 46,380 to 62,230 soldiers. The army was assigned in July to the Defense District of North Carolina and Richmond. In the course of the Richmond-Petersburg Campaign the number of soldiers temporarily grew to 82,633 while parts of the Army were under the command by Lieutenant General Early in Shenandoah Valley. In 1864 the Army of Northern Virginia fought against the more than twice as strong Potomac-, James- and Shenandoah Army in Grant's Overland Campaign, Early's Raid against the Baltimore and Ohio Railroad, the Richmond-Petersburg Campaign, and Shenandoah Campaign in the Shenandoah Valley. The