in the Carolinas Campaign. Command history As V Corps As Department of the Shenandoah As II Corps Army of Virginia As XII Corps * Corps assigned to the Army of the Cumberland; other entries assigned to the Army of the Potomac After April 18, 1864, the divisions of the XII Corps became part of the XX Corps. References Eicher, John H., and Eicher, David J., Civil War High Commands, Stanford University Press, 2001, . Fox, William F., Regimental Losses in the American Civil War, reprinted by Morningside Bookshop, Dayton, Ohio, 1993, . 12 Military units and formations established in 1862 1862 establishments in the United States Military units and formations disestablished in 1864