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
Second Corps, Army of Northern Virginia Fredericksburg and in the subsequent series of engagements along the Rappahannock River. The corps' finest moment came during the Battle of Chancellorsville when Jackson led the famous enveloping left flank attack that routed much of Maj. Gen. Joseph Hooker's Federal Army of the Potomac. However, the subsequent loss of Jackson was devastating to Lee and the Army of Northern Virginia, and is considered to be a turning point for Lee's ability to command the army without occasionally needing to personally see to the details of corps command. From May 2 to May 30, 1863, the Second Corps was commanded temporarily