Department of the Shenandoah

Major General Nathaniel P. Banks

Discontinued August 17, 1861 and merged into the Department of the Potomac as Banks' Division.

First Brigade

Colonel George H. Thomas

5th Connecticut Infantry Regiment

to 1st Bde., Banks' Div., Army Potomac

19th New York Infantry Regiment

Colonel John S. Clarke

to 1st Bde., Banks' Div., Army Potomac

28th New York Infantry Regiment

Colonel Dudley Donnelly

to 1st Bde., Banks' Div., Army Potomac

13th Pennsylvania Reserves Infantry

Colonel Charles Biddle

from Harisburg 8/1;
to 2nd Brigade, Pennsylvania Reserves Division, Army of the Potomac, 10/1

28th Pennsylvania Infantry Regiment

Colonel John Geary

to 1st Bde., Banks' Div., Army Potomac

Philadelphia, Pennsylvania City Troop

Captain Thomas James

mustered out 8/17

1st Rhode Island Battery

to Banks' Div., Army Potomac

2nd United States Cavalry Regiment

to Defences Washington

Second Brigade

Colonel James J. Abercrombie

4th Connecticut Infantry Regiment

Colonel Levi Woodhouse

to 2nd Bde., Banks' Div., Army Potomac

12th Indiana Infantry Regiment

to 2nd Bde., Banks' Div., Army Potomac

16th Indiana Infantry Regiment

to 2nd Bde., Banks' Div., Army Potomac

2nd Massachusetts Infantry Regiment

to 2nd Bde., Banks' Div., Army Potomac

12th Massachusetts Infantry Regiment

to 2nd Bde., Banks' Div., Army Potomac

29th Pennsylvania Infantry Regiment

Colonel John K. Murphy

from Philadelphia 8/3

to 2nd Bde., Banks' Div., Potomac

Battery E, 1st United States Artillery

to Defences Washington

Third Brigade

Colonel Charles P. Stone

1st New Hampshire Infantry Regiment

Colonel Mason Tappan

8/9 mustered out

9th New York State Militia Regiment

to 3rd Bde., Banks' Div., Army Potomac

3rd Wisconsin Infantry Regiment

to 3rd Bde., Banks' Div., Army Potomac

4th United States Artillery Battery F

to Banks' Div., Army Potomac