Department of Pennsylvania
Army of Pennsylvania
MAJOR GENERAL R PATTERSON, Pennsylvania Volunteers
Major General R Patterson, Pennsylvania Volunteers, was assigned to command the Department of Pennsylvania, Headquarters at Philadelphia, Philadelphia County, Pennsylvania, by General Orders No.12, Paragraph III, War Department, Adjutant General's Office, Washington, D. C., on 27 April, 1861, and was honourably discharged by General Orders No.46, Paragraph I, War Department, Adjutant General's Office, Washington, D. C., on 27 July, 1861, dated 19 July, 1861.
First Division
Brevet Major General & Brigadier General G Cadwalader, Pennsylvania Volunteers
Brevet Major General & Brigadier General G Cadwalader, Pennsylvania Volunteers, was honourably discharged by General Orders No.46, Paragraph I, War Department, Adjutant General's Office, Washington, D. C., on 19 July, 1861.
FIRST BRIGADE
Colonel G H Thomas, Second United States Cavalry
First Rhode Island Detached Militia, Sixth, Twenty-first, & Twenty-third Pennsylvania Infantry; Doubleday's Battalion Infantry; Philadelphia City Cavalry, First Troop; Second United States Cavalry, Companies A, C, F, & K; First Rhode Island Detached Militia Artillery, Fourth United States Artillery, Light Company F
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THIRD BRIGADE
Brigadier General E C Williams, Pennsylvania Volunteers
Seventh, Eighth, Tenth, & Twentieth Pennsylvania Infantry
FOURTH BRIGADE
Colonel D S Miles, Second United States Infantry
Ninth, Thirteenth, & Sixteenth Pennsylvania Infantry; Third United States Infantry, Companies B, D, G, H, & K; Second United States Infantry, Companies C & K
Second Division
Major General W H Keim, Pennsylvania Volunteers
SECOND BRIGADE
Brigadier General G C Wynkoop, Pennsylvania Volunteers
First, Second, & Third Pennsylvania Infantry
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FIFTH BRIGADE
Brigadier General J S Negley, Pennsylvania Volunteers
Fourteenth, Fifteenth, & Twenty-fourth Pennsylvania Infantry; Ninth New York State Militia, Company K
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SIXTH BRIGADE
Colonel J J Abercrombie, Seventh United States Infantry
Eleventh Pennsylvania Infantry, First Wisconsin Infantry, Fourth Connecticut Infantry, Eleventh Indiana Infantry, Second Massachusetts Infantry
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Third Division
Major General C W Sandford, First Division, New York State Militia
SEVENTH BRIGADE
Colonel C P Stone, Fourteenth United States Infantry
First New Hampshire Infantry, Ninth New York State Militia, Seventeenth Pennsylvania Infantry & Twenty-fifth Pennsylvania Infantry, Companies D, F, G, I, & K; Third District of Columbia Battalion Militia, Detachment
EIGHTH BRIGADE
Acting Brigadier General & Colonel D Butterfield, Twelfth New York State Militia
Nineteenth & Twenty-eighth New York Infantry, Fifth & Twelfth New York State Militia
UNASSIGNED
Eleventh Indiana Infantry
Orders of Battle
The above painting, 'New York's Bravest', is by Don Troiani, modern America's finest historical artist.