The 6th Maryland Infantry Regiment lost 8 officers and 120 enlisted men killed and mortally wounded and 1 officer and 107 enlisted men to disease during the Civil War.

August 12 – September 3 Organized at Baltimore, Md.
September 20 Moved to join Army of the Potomac in Western Maryland.
September 20-21 Defense of Williamsport, Md.
October-November Duty between Williamsport and Hagerstown, Md.
December 11-12 Moved to Maryland Heights. Attached to Kenly’s Brigade, Defenses Upper Potomac, 8th Army Corps, Middle Department
March 28 Moved to Berryville and attached to 3rd Brigade, 2nd Division, 8th Army Corps
June 10 Action at Kelly’s Ford
June 13 Berryville
June 13 Opequan Creek and Retreat to Winchester
June 14-15
Second Battle of Winchester
June 15-16 Retreat to Harper’s Ferry and attached to Elliott’s Command, 8th Army Corps
July 1-4 To Washington, D. C.
July 5 Join Army of the Potomac assigned to 2nd Brigade, 3rd Division, 3rd Army Corps
July 5-24 Pursuit of Lee Go Manassas Gap, Va
July 23 Wapping Heights, Va.
July 24-August 15 Duty on line of the Rappahannock
September 5 Detached for duty in New York during draft disturbances
October 9-22 Bristoe Campaign
October 11 Culpeper Court House
October 14 Bristoe Station
November 7-8 Advance to line of the Rappahannock
November 7 Kelly’s Ford
November 8 Brandy Station
November 26-December 2 Mine Run Campaign
November 27 Payne’s Farm
February 6-7 Demonstration on the Rapidan
March Attached to 2nd Brigade, 3rd Division, 6th Army Corps, Army of the Potomac
May 3-June 15 Campaign from the Rapidan to the James River
May 5-7
Battle of the Wilderness
May 8-21
Spotsylvania Court House
May 12 Assault on the Salient, “Bloody Angle”
May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Cold Harbor
June 18-July 6 First Assault onĀ Petersburg
June 22-23 Jerusalem Plank Road
June 29 Ream’s Station
July 6-8 Moved to Baltimore, Md.
July 9 Battle of the Monocacy
July 14-24 Pursuit of Early to Snicker’s Gap
July 17-18 Snicker’s Ferry
August 6-
November 28
Sheridan’s Shenandoah Valley Campaign
August 29 Charleston
September 19
Third Battle of Winchester
September 22
Fisher’s Hill
October 19
Battle of Cedar Creek
October Duty at Kernstown
December 3-6 Moved to Washington, D.C., then to Petersburg, Va.
December 6 Siege of Petersburg
March 25 Fort Fisher, Petersburg
March 28-April 9 Appomattox Campaign
April 2 Assault on and fall of Petersburg
April 3-9 Pursuit of Lee
April 9
Appomattox Court House

Surrender of Lee and his army.

April 23-27 March to Danville, Va.
May 18 March to Richmond, Va.
May 18-June 3 To Washington, D.C.
June 8 Corps Review
June 20 Mustered out