Army of Northern Virginia 20 and July 21, the Army of the Shenandoah and forces from the District of Harpers Ferry were added. Units from the Army of the Northwest were merged into the Army of the Potomac between March 14 and May 17, 1862. The Army of the Potomac was renamed "Army of Northern Virginia" on March 14. The Army of the Peninsula was merged into it on April 12, 1862. Robert E. Lee's biographer, Douglas S. Freeman, asserts that the army received its final name from Lee when he issued orders assuming command on June 1, 1862. However, Freeman does admit that
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