The 11th New Hampshire Infantry Regiment lost 5 officers and 140 enlisted men killed or mortally wounded and 1 officer and 151 enlisted men to disease during the Civil War.

1862
Organized at Concord
September 2 Mustered in
September 11-14 Moved to Washington, D.C. and assigned to Attached to Brigg’s Brigade, Casey’s Division, Military District of Washington
October 4 Moved to Pleasant Valley, Md. and attached to 2nd Brigade, 2nd Division, 9th Army Corps, Army of the Potomac
October 27-November 19 Movement to Falmouth, Va.
December 12-15
Battle of Fredericksburg
1863
January 20-24 Burnside’s Second Campaign (“Mud March”)
February 11 Moved to Newport News
March 26-April 1 To Covington, Ky.
April Duty at various points in Kentucky. Attached to 2nd Brigade, 2nd Division, 9th Army Corps, Dept. of Ohio
June 4-14 Moved to Vicksburg, Miss. and attached to 2nd Brigade, 2nd Division, 9th Army Corps, Army of the Tennessee
June 14-July 4 Siege of Vicksburg
July 4-10 Advance on Jackson, Miss.
July 10-17 Siege of Jackson, Miss.
July 18-22 Destruction of Railroad at Madison Station
July 23 At Milldale, Miss.
August 6-14 Moved to Cincinnati, Ohio and attached to 2nd Brigade, 2nd Division, 9th Army Corps, Dept. of the Ohio
August 15 At Covington, Ky.
August 26 At Nicholasville, Camp Parke, Crab Orchard and Loudon
October 12-29 March to Knoxville, Tenn.
November 4-December 23 Knoxville Campaign
November 16 Campbell Station
November 17-December 4 Siege of Knoxville
November 29 Repulse of Longstreet’s assault on Fort Saunders
December Duty in East Tennessee
1864
March 18-April 7 Moved to Annapolis, Md. and attached to 2nd Brigade, 2nd Division, 9th 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, Spotsylvania C. H.
May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12
Cold Harbor
June 1-3 Bethesda Church
June 15-19 First Assault on Petersburg
June 16 – April 2 Siege of Petersburg
July 30 Mine Explosion, Petersburg
August 18-21 Weldon Railroad
September 29-October 2 Poplar Springs Church
October 27-28 Boydton Plank Road, Hatcher’s Run
1865
March 25 Fort Stedman
March 28-April 9 Appomattox Campaign
April 2 Assault on and fall of Petersburg
April 3 Occupation of Petersburg
April 3-9 Pursuit of Lee
April 20-27 Moved to Washington, D.C.
May Duty at Alexandria
May 23 Grand Review
June 4 Mustered out