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
Joseph E. Johnston achieved the rank of brigadier general as Quartermaster General of the U.S. Army. Johnston's effectiveness in the American Civil War was undercut by tensions with Confederate president Jefferson Davis. Victory eluded him in most campaigns he personally commanded. He was the senior Confederate commander at the First Battle of Bull Run in July 1861, but the victory is usually credited to his subordinate, P.G.T. Beauregard. Johnston defended the Confederate capital of Richmond, Virginia, during the 1862 Peninsula Campaign, withdrawing under the pressure of Union Maj. Gen. George B. McClellan's superior force. He suffered a severe wound at the Battle of