Third Corps, Army of Northern Virginia Third Corps, Army of Northern Virginia The Third Corps, Army of Northern Virginia was a unit of the Provisional Army of the Confederate States. After the death of Lt. General Thomas J. Jackson at the Battle of Chancellorsville, Robert E. Lee reorganized his army from two infantry corps into three corps, giving command of the new Third Corps to A. P. Hill. For Hill's new corps, Lee assigned Hill's old "Light Division", commanded by Major General William Dorsey Pender, from the Second Corps and Richard H. Anderson's division from James Longstreet's First Corps. For the Corps' third division, Lee created
Northern Virginia as Mount Vernon and Arlington National Cemetery. The region is often spelled "northern Virginia", although according to the USGS Correspondence Handbook the 'n' in Northern Virginia should be capitalized since it is a place name rather than a direction or general area; e.g. Eastern United States vs. western Massachusetts. The name "Northern Virginia" does not seem to have been used in the early history of the area. According to Johnston, some early documents and land grants refer to the "Northern Neck of Virginia" (see Northern Neck Proprietary), and they describe an area which began on the east at the western