Just weeks after the death of Stonewall Jackson, General Robert E. Lee decided to reorganize the Army of Northern Virginia into three army corps: the 1st Corp remained under the command of James Longstreet, the 2nd Corp would be commanded by Richard S. Ewell, and the new 3rd Corp would be commanded Ambrose Powell Hill.
SPECIAL ORDERS, HDQRS. ARMY OF NORTHERN VIRGINIA,
May 30, 1863.
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VII. The following changes are made in the organization of corps and divisions of this army:
1. The brigades of Heth and Archer, of A. P. Hill's division, with Pettigrew's and Cooke's, will constitute a division, and be under the command of Major General Harry Heth.
2. The brigades of Pender, Lane, Thomas, and McGowan will constitute a division, and be under the command of Major General W. D. Pender.
3. The divisions of Major-Generals Early, Johnson, and Rodes will constitute the Second Corps, and be under the command of Lieutenant General R. S. Ewell.
4. The division of Major General R. H. Anderson is detached from the First Corps, and, together with the divisions of Major-Generals Heth and Pender, will constitute the Third Corps, and be under the command of Lieutenant General A. P. Hill.
5. The chief of artillery will designate the battalions of artillery to serve with the three corps, and the chief quartermaster make the necessary division of the transportation.
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X. Major General I. R. Trimble, Provisional Army of the Confederate States, is assigned to the command of the Valley District of the Department of Northern Virginia.
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By command of General R. E. Lee:
W. H. TAYLOR,