03/05/1864
https://www.presidency.ucsb.edu...
"Fourth Corps to consist of three divisions, and to be commanded by Brigadier-General E. D. Keyes."
"No more than two army corps (about 50,000 troops) of said Army of the Potomac shall be moved en route for a new base of operations until the navigation of the Potomac from Washington to the Chesapeake..."
"A fifth army corps, to be commanded by Major-General N. P. Banks, will be formed from his own and General Shields's (late General Lander's) divisions."
"Ordered, 1. That the major-general commanding the Army of the Potomac proceed forthwith to organize that part of the said army destined to enter upon active operations (including the reserve, but excl..."