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Organized at Harrisburg under Colonel Robert G. March, Lieutenant Colonel John F. Gaul and Major Robert McClure. |
July 17 |
Moved to Washington, D.C., then to duty at Tennallytown, Md. Attached to 2nd Brigade, McCall's Pennsylvania Reserves Division, Army of the Potomac |
October 10 |
At Camp Pierpont, near Langley, Va. |
December 6 |
Expedition to Grinnell's Farm |
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February 15 |
Lieutenant Colonel John Gaul discharged by special order of the War Department |
March |
Attached to 2nd Brigade, 2nd Division, 1st Army Corps, Army of the Potomac |
March 10-15 |
Advance on Manassas, Va. |
April 9-19 |
McDowell's advance on Falmouth, Va. Attached to 2nd Brigade, McCall's Division, Dept. of the Rappahannock |
April-June |
Duty at Fredericksburg |
May 12 |
Major Robert McClure discharged by special order of the War Department |
June |
Attached to 2nd Brigade, 3rd Division, 5th Army Corps, Army of the Potomac |
June 1 |
Major Richard H. Woolworth of the 3rd Pennsylvania Reserves promoted to lieutenant colonel of the 4th, and Adjutant John Nyce promoted to major. |
June 9-11 |
Moved to White House |
June 25-July 1 |
Seven days before Richmond |
June 26 |
Battle of Mechanicsville |
June 27 |
Battle of Gaines' Mill |
June 30 |
Battles of Charles City Cross Roads and Glendale |
July 1 |
Battle of Malvern Hill |
July-August |
At Harrison's Landing |
August 16-26 |
Movement to Join Pope. Attached to 2nd Brigade, 3rd Division, 3rd Corps, Army of Virginia |
August 28 |
Battles of Gainesville |
August 29 |
Groveton |
August 30 |
Bull Run |
September 6-24 |
Maryland Campaign. Attached to 2nd Brigade, 3rd Division, 1st Army Corps, Army of the Potomac |
September 14 |
Battle of South Mountain |
September 16-17 |
Battle of Antietam |
September 18 |
Duty in Maryland |
October 1 |
Colonel March resigned |
October 4 |
Lieutenant Colonel Albert Magilton of the 2nd Pennsylvania Reserves was promoted to colonel of the 4th. |
October 30-November 19 |
Movement to Falmouth, Va. |
November 29 |
Major Nyce promoted to colonel of the 174th Pennsylvania Infantry |
December 12-15 |
Battle of Fredericksburg |
December 22 |
Colonel Magilton resigned |
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January 20-24 |
"Mud March" |
February 6 |
Ordered to Washington, D.C. and duty there and in the District of Alexandria attached to 2nd Brigade, Pennsylvania Reserves Division, 22nd Corps, Dept. of Washington |
March 1 |
Captain Thomas Tapper of Company G promoted to lieutenant colonel |
March 27 |
Captain Enos L. Christman of Company K promoted to major |
April 26 |
Major Christman resigned |
July 21 |
Captain Frederick Conrad of Company B promoted to major |
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January 6 |
Attached to Dept. of West Virginia with duty near Martinsburg, W. Va. |
January 27-
February 7 |
Operations in Hampshire and Hardy counties |
March 1 |
Lieutenant Colonel Woolworth promoted to colonel |
March 27 |
Duty near Kearneysville |
April 22 |
Moved to Webster, thence to the Kanawha Valley attached to 3rd Brigade, 2nd Infantry Division, Dept. of West Virginia |
May 2-19 |
Crook's Expedition to Virginia & Tennessee Railroad |
May 9 |
Battle of Cloyd's Mountain
Colonel Woolworth killed |
May 10 |
New River Bridge
Lieutenant Colonel Tapper commissioned colonel but not mustered |
May 10-19 |
Expedition to Meadow Bluff |
May 12-13 |
Near Newport |
June 4 |
Left front for Philadelphia via Pittsburg, Pa. |
June 8 |
Veterans and Recruits transferred to 54th Pennsylvania |
June 17 |
Mustered out under Lieutenant Colonel Tapper and Major Frederick Conrad |
