|June 13||The Washington (South Carolina) Artillery Volunteers was mustered into service with 147 men from South Carolina’s Washington Artillery militia. It was under the command of Captain Stephen D. Lee but due to his responsibilities on General Beauregard’s staff he would not assume his duties with the battery until it was in Virginia. The battery was planned to be part of the combined arms Hampton Legion but served as an independent battery. It was originally armed with two 3.5″ Rifles and four 12 pounder howitzers.|
|June 24||The company left for Virginia.|
|November 8||Captain Stephen D. Lee was promoted to major. He was replaced as battery commander by Captain James F. Hart, an 1857 graduate of The Citadel. The battery was reequipped with four Blakely Rifles importaed from England.|
|March 29||Edisto Island (detachmet of one section)|
|April-June||Assigned to 3rd Military District of South Carolina, Department of South Carolina, Georgia and Florida|
|June-July||Moved to the Virginia Peninsula and assigned to Garnett’s Artillery Battalion, D. R. Jones’s Division, Magruder’s Command, Army of Northern Virginia|
|June 25-July 1||
Seven Days Battles
The battery lost 1 man killed amd 4 wounded.
|July||Assigned to Semmes’s Brigade, D. R. Jones’s Division, Longstreet’s Command, Army of Northern Virginia|
|August||Assigned to Horse Artillery Battalion, Cavalry Division, Army of Northern Virginia|
Stuart’s Second Ride Around McClellan (section)
The battery sent 4 officers and 75 enlisted men to the field.
|September-January||Assigned to Chew’s Battalion, Horse Artillery, Cavalry Division, Army of Northern Virginia|
Mine Run Campaign
Battle of North Anna
Captain Hart was badly wounded, losing his leg. He was promoted to major, and Lieutenant E. Lindsley Halsey was promoted to captain and took command of the battery.
Moved to South Carolina and assigned to Butler’s Division Artillery, Hampton’s Cavalry Command
Surrendered with Johnston’s Army