Department of the Shenandoah

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The Department of the Shenandoah was a Union Military Department constituted on July 19, 1861 to consist of the Valley of Virginia, the counties of Washington and Allegany in Maryland, and such parts of Virginia as may be covered by the army in its operations. In Frederick Dyer's Compendium of the War of the Rebellion, this army is often referred to as "Banks' Division" rather than the army itself, possibly in anticipation of expanding the department. It was discontinued on August 17, 1861 and merged into the Department of the Potomac. It was recreated on April 4, 1862 and merged into the Army of Virginia on June 26, 1862.

Statistical Information

  • Begin: July 19, 1861
  • End: August 17, 1861 (Merged into Department of the Potomac)
  • Recreated: April 4, 1862
  • End: June 26, 1862 (Merged into the Army of Virginia)

Roster of Units

1st Organization ("Banks' Division")

COMMANDERS

Brigades Regiments or Smaller Units Dates of Service Previous Unit Next Unit
1st Brigade

George H. Thomas (Colonel, 2nd United States Cavalry)
19th New York Infantry July 1861 - August 1861 Dept. Pennsylvania / 3rd Div. / 8th Brig. (I) Dept. Potomac / 1st Div. / 1st Brig.
(I) 28th New York Infantry July 1861 - August 1861 Dept. Pennsylvania / 3rd Div. / 8th Brig. (I) Dept. Potomac / 1st Div. / 1st Brig.
2nd Pennsylvania Infantry July 1861 - August 1861 Dept. Pennsylvania / 1st Div. / 2nd Brig. No change to muster out
28th Pennsylvania Infantry July 1861 - August 1861 From new organization (I) Dept. Potomac / 1st Div. / 1st Brig.
5th Connecticut Infantry July 1861 - August 1861 From new organization (I) Dept. Potomac / 1st Div. / 1st Brig.
1st Rhode Island Light Artillery Battery July 1861 - August 1861 Dept. Pennsylvania / 1st Div. / 1st Brig. No change to muster out
2nd United States Cavalry July 1861 - August 1861 Dept. Pennsylvania / 1st Div. / 1st Brig. No change to muster out
Philadelphia City Troop July 1861 - August 1861 From new organization[1] No change to muster out
2nd Brigade

J.J. Abercrombie (Colonel, U.S. Army)
2nd Massachusetts Infantry July 1861 - August 1861 Dept. Pennsylvania / 2nd Div. / 6th Brig. Banks Division / Abercrombie's Brigade
12th Massachusetts Infantry July 1861 - August 1861 From new organization (I) Dept. Potomac / 1st Div. / 2nd Brig.
(I) 12th Indiana Infantry July 1861 - August 1861 From new organization (I) Dept. Potomac / 1st Div. / 2nd Brig.
(I) 16th Indiana Infantry July 1861 - August 1861 From new organization (I) Dept. Potomac / 1st Div. / 2nd Brig.
4th Connecticut Infantry July 1861 - August 1861 Dept. Pennsylvania / 2nd Div. / 6th Brig. (I) Dept. Potomac / 1st Div. / 2nd Brig.
1st United States Artillery / Battery E July 1861 - August 1861 From Regular Army garrison[2] Defences of Washington
3rd Brigade[3]

July 25, 1861 - August 8, 1861:
C.P. Stone (Colonel, U.S. Army)
August 8, 1861 - August 17, 1861:
J.W. Stiles (Colonel, 83rd New York Infantry)
1st New Hampshire Infantry July 1861 - August 1861 Dept. Pennsylvania / 3rd Div. / 7th Brig. No change to muster out
83rd New York Infantry July 1861 - August 1861 Dept. Pennsylvania / 3rd Div. / 7th Brig. (I) Dept. Potomac / 1st Div. / 3rd Brig.
3rd Wisconsin Infantry July 1861 - August 1861 From new organization (I) Dept. Potomac / 1st Div. / 3rd Brig.
4th United States Artillery / Battery F July 1861 - August 1861 Dept. Pennsylvania / 3rd Div. / 7th Brig. (I) Dept. Potomac / 1st Div. / 3rd Brig.

2nd Organization

COMMANDERS

Notes

  1. ACWR 0272 says this unit came from Dept. Pennsylvania / 1st Div. / 1st Brig., but it is not shown on ACWR 0270 nor ACWR 1570 under the unit history. For now it has been left this way.
  2. ACWR 0272 says this unit came from Dept. of Pennsylvania / Unassigned Units, but it is not shown on ACWR 0270 nor ACWR 1694 under the unit history. For now it has been left this way.
  3. ACWR 0272 lists these dates as 1862. This must be a transcription error.

Sources