Gustavus Woodson Smith a major general on September 19, he served in Northern Virginia as a divisional and "wing" commander, and fought in the Battle of Seven Pines near Richmond during the Peninsula Campaign. On May 31, 1862, Smith briefly took command of the Army of Northern Virginia after Gen. Joseph E. Johnston was wounded at Seven Pines, due to his being the senior major general in Johnston's army. However, Jefferson Davis replaced him with Robert E. Lee the following day, June 1. On June 2, Smith became ill and took a leave of absence to recuperate. In late August, Smith returned and
Army of the Peninsula by Magruder, now major general. In April 1862 Magruder's army was incorporated into the right wing of the larger army of Joseph E. Johnston, preparing defenses against an expected attack by George B. McClellan in what would become the Peninsula Campaign. While the army designation ceased to exist, Magruder's army's independence and initiative was instrumental in preventing McClellan from rapidly advancing on Richmond. Army of the Peninsula The Army of the Peninsula or Magruder's Army was a Confederate army early in the American Civil War. In May 1861, Colonel John B. Magruder was assigned to command operations on the lower