1861
July Organized and equipped. Duty in the Defenses of Washington, D. C.
Otcober Attached to Artillery Reserve, Army of the Potomac
November 14 Mouth of Mattawoman Creek, Md.
1862
March Attached to Artillery Reserve, Army of the Potomac. Ordered to the Virginia Peninsula
April Peninsula Campaign.
April 5-May 4 Siege of Yorktown
May Attached to 2nd Brigade, Horse Artillery, Artillery Reserve, 5th Army Corps, Army Potomac
June 25-July 1 Seven days before Richmond
June 27 Gaines’ Mill
June 28 Golding’s Farm
July 1 Malvern Hill
July-August At Harrison’s Landing
August 16-23 Moved to Alexandria, Va.
September 6-22 Maryland Campaign. Attached to Artillery, 3rd Division, 9th Army Corps, Army Potomac
September 16-17
Battle of Antietam

The battery was commanded by Lieutenant Charles P. Muhlenberg. It brought 123 men to the field serving six Napoleons and lost 10 enlisted men missing.

October 30-November 17 Movement to Falmouth, Va.
December 12-15 Battle of Fredericksburg, Va.
1863
January 20-24 “Mud March”
February Moved to Newport News, Va.
March To Suffolk, Va.
April 11-May 4 Siege of Suffolk. Attached to Artillery, 2nd Division, 7th Army Corps, Dept. of Virginia
April 15 Norfleet House
June 24-July 8 Dix’s Peninsula Campaign
July 1-7 Expedition from White House to South Anna River
July Duty at Portsmouth, Va. Attached to U.S. Forces, Portsmouth, Va., Dept. Virginia and North Carolina
1864
April Attached to Artillery, 1st Division, 18th Army Corps, Army of the James
May 4-28 Butler’s operations on south side of the James River and against Petersburg and Richmond
May 9-10 Swift Creek or Arrowfield Church
May 12-16 Operations against Fort Darling
May 14-16 Battle of Drury’s Bluff
May 16-28 On Bermuda Hundred front
May 28-June 1 Movement to Cold Harbor
June 1-12 Battles about Cold Harbor
June 15-18 Assaults on Petersburg
June 16 Siege operations against Petersburg and Richmond. Attached to Artillery Brigade, 18th Army Corps
September 28-30 Battle of Chaffin’s Farm, New Market Heights
December Artillery Brigade, 24th Army Corps
April 2 Occupation of Richmond
April 3 Duty at Richmond and Lynchburg, Va. to August