I. The President of the United States has directed:
1st. That Major-General A. E. Burnside, at his own request, be relieved from the command of the Army of the Potomac.
2d. That Major-General E. V. Sumner, at his own request, be relieved from duty in the Army of the Potomac.
3d. That Major-General W. B. Franklin be relieved from duty in the Army of the Potomac.
4th. That Major-General J. Hooker be assigned to the command of the Army of the Potomac.
II. The officers relieved as above will report in person to the adjutant-general of the army.
By order of the Secretary of War: D. TOWNSEND, Assistant Adjutant-General
Abraham Lincoln, General Orders No. 20—Relieving General A.E. Burnside and Making Other Changes Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/289390