|Organized at Philadelphia by consolidation of:
Robert’s Battalion Pennsylvania Heavy Artillery, assigned as Companies C, D and F
Segebarth’s Battalion Marine Artillery, assigned as Companies A, B, G, H, K and L
1st Battalion Pennsylvania Heavy Artillery, assigned as Company E
Two more Companies organized at Philadelphia as Companies I & M.
|February 17||Ordered to Fortress Monroe, Va. Attached to Camp Hamilton, 7th Corps, Dept. of Virginia.
Company H served detached at Baltimore, Md., entire term
Detachments of all Companies except H served at times in Graham’s Naval Brigade and participated in numerous engagements on the James, Chickahominy and Nansemond Rivers.
|April 12-May 4||Defense of Suffolk, Va. (Cos. A, B, F & G)|
|May||Assigned to Fortress Monroe, Va., 7th Corps|
|July||Assigned to Fortress Monroe, Va., Dept. of Virginia and North Carolina|
|July 1-3||A section of Company H was at Gettysburg. It brought 52 men to the field.
The section was part of the Baltimore defences and had been stationed at a location outside Frederick, Maryland that was about to be overrun by Stuart’s Cavalry. The section was attached to the Union Cavalry Corps until after the battle.
From the monument at Gettysburg:
Battery H 3rd Penna. Heavy Artillery, 1st Brigade, 2d Division Cavalry Corps Mounted as a battery of light artillery May 6, 1863. Second section participated in the battle.
From the marker at Gettysburg:
Army of the Potomac Cavalry Corps, Second Division First Brigade, 3rd Penna. Heavy Artillery Section Battery H, Two 3 Inch Rifles, Captain William D. Rank
July 2. Marched with the 2d Cavalry Division and went into position on the Hanover Road 3 miles from Gettysburg.
July 3. In position here in early morning and was engaged in the afternoon assisting in the repulse of Longstreet’s assault. Loss Missing 1 Man
|September||Company F in charge of Prison Camp at Camp Hamilton, near Fortress Monroe to end of war|
|February 1||Detachment of Company A in action at Smithfield, N. C.|
|April 17-20||Detachment of Company A at siege of Plymouth, N. C. on Gunboat “Bombshell”|
|May||Attached to District of Eastern Virginia. Companies D, E and G in Butler’s operations on south side of James River against Petersburg and Richmond then at various redoubts and forts on the Bermuda Hundred front until May, 1865
Company M served as Siege Artillery, Army of the James, in siege operations against Petersburg and Richmond May, 1864, to May, 1865. Posted principally on the Bermuda Hundred front.
|January 15||Attack on and capture of Fort Fisher, N. C. (detachments of Companies F & G)|
|April||Appomattox Campaign. Company I served at Headquarters Army of the James|
|April 9||Company I present at Appomattox C. H., surrender of Lee and his army.|
|July 11||Companies A & B mustered out|
|July 25||Company H mustered out|
|November 9||Remaining companies of Regiment mustered out|