3rd Maryland Infantry Regiment

August, 1861, to
February 16 1862

Companies A, B, C, D and H organized at Baltimore; Regiment attached to Dix's Division, Baltimore, Md.

Summer 1861

4 Companies organized at Williamsport; assigned as Companies A, B, C and I; Original Companies A, B, C and D designated Companies D, E, F and G

May 11, 1862

Companies E, F, H and I broken up and distributed among Companies A, B, C, D and G; 2 Companies recruited for 4th Maryland Infantry and assigned as Companies E and H. Two Companies recruited for Dix's Light Infantry and assigned as Companies I and K

May

1st Brigade, Sigel's Division, Dept. of the Shenandoah; Duty at Baltimore, Md.

May 24

Moved to Harper's Ferry, W. Va.

May 28-30

Defense of Harper's Ferry

June

2nd Brigade, 2nd Division, 2nd Corps, Pope's Army of Virginia; Operations in the Shenandoah Valley

August

1st Brigade, 2nd Division, 2nd Army Corps, Army of Virginia

August 9

Battle of Cedar Mountain

August 16-September 2

Pope's Campaign in Northern Virginia

August 21-23

Fords of the Rappahannock

August 24

Sulphur Springs

August 28-29

Plains of Manassas (Reserve)

August 30

Battle of Bull Run (Reserve)

September

2nd Brigade, 2nd Division, 12th Army Corps, Army of the Potomac

September 6-22

Maryland Campaign

September 16-17

Battle of Antietam

September 22 - December 10

Duty at Bolivar Heights

October 15

Company F organized at Euston, Md. for 9 months

October

2nd Brigade, 1st Division, 12th Army Corps

November 9

Reconnaissance to Rippen, W. Va.

December 2-6

Expedition to Winchester

December 10-14

Moved to Fredericksburg

December 14

At Stafford's Court House

January 20-24, 1863

"Mud March"

April 27

Chancellorsville Campaign

May, 1863

1st Brigade, 1st Division, 12th Army Corps, Army of the Potomac

May 1-5

Battle of Chancellorsville

June 11 - July 24

Gettysburg Campaign

July 1-3

Battle of Gettysburg

The regiment was commanded by Colonel Joseph M. Sudsburg. It brought 278 men to the field, and lost one killed and seven wounded.

July 5-24

Pursuit of Lee

July - September

At Raccoon Ford

September 2

Company F mustered out

September 24 -
October 4

Moved to Brandy Station, thence to Bealeton and to Stevenson, Ala.; attached to Army of the Cumberland; Guard duty on Nashville & Chattanooga Railroad

April, 1864

Veterans on furlough March and April

Non-Veterans 1st Brigade, 1st Division, 20th Army Corps, Army of the Cumberland

May 1 to September 8

Old members participated in Atlanta Campaign

May 8-11

Demonstration on Rocky Faced Ridge

May 14-15

Battle of Resaca

May 19

Near Cassville

May 22-25

Advance on Dallas

May 25

New Hope Church

May 26-June 5

Battles about Dallas, New Hope Church and Allatoona Hills

June 10-July 2

Operations about Marietta and against Kenesaw Mountain

June 11-14

Pine Mountain

June 15-17

Lost Mountain

June 15

Gilgal or Golgotha Church

June 17

Muddy Creek

June 19

Noyes Creek

June 22

Kolb's Farm

June 27

Assault on Kenesaw

July 4

Ruff's Station, Smyrna Camp Ground

July 5-17

Chattahoochie River

July 19-20

Peach Tree Creek

July 22-August 25

Siege of Atlanta

August 26 -
September 2

Operations at Chattahoochie River Bridge

September 2

Occupation of Atlanta

April, 1864

Regiment joined 2nd Brigade, 1st Division, 9th Army Corps, Army of the Potomac

May 3 - June 15

Campaign from the Rapidan to the James

May 5-7

Battles of the Wilderness

May 8-12

Spotsylvania

May 10

Nye River

May 12-21

Spotsylvania Court House

May 12

Assault on Salient

May 21

Ox Ford

May 23-26

North Anna River

May 26-28

On line of the Pamunkey

May 28-31

Totopotomoy

June 1

1st Brigade, First Division, 9th Army Corps

June 1-12

Cold Harbor

June 1-3

Bethesda Church

June 16-18

Before Petersburg

June 16

Siege of Petersburg

July

2nd Brigade, 1st Division, 9th Army Corps

July 30

Mine Explosion, Petersburg

August 18-21

Weldon Railroad

September

3rd Brigade, 1st Division, 9th Army Corps

September 29 -
October 2

Poplar Grove Church

October 27-28

Boydton Plank Road, Hatcher's Run

March 25, 1865

Fort Steadman, Petersburg

March 28

Appomattox Campaign

April 2

Assault on and fall of Petersburg

April 3

Occupation of Petersburg

April 3-9

March to Farmville

April 20-24

Moved to Petersburg and City Point

April 26-28

To Alexandria

May 23

Grand Review

May - July

Duty in the Dept. of Washington

July 31, 1865

Mustered out