The 3rd Delaware Volunteer Infantry Regiment lost 7 officers and 46 enlisted men killed or mortally wounded and 2 officers and 80 enlisted men to disease during the Civil War.
It is honored by a monument at Antietam.
|December 30, 1861 – May 15, 1862||Organized at Camden|
|May||Ordered to Washington, D.C. and attched to Slough’s Brigade, Defenses of Washington|
|May 28-30||Defense of Harper’s Ferry attached to Slough’s 2nd Brigade, Sigel’s Division, Dept. of the Shenandoah|
|June – July||Operations in the Shenandoah Valley attached to 2nd Brigade, 2nd Division, 2nd Army Corps, Army of Virginia|
|August||Attached to 3rd Brigade, 2nd Division, 2nd Army Corps, Army of Virginia|
|August 9||Battle of Cedar Mountain|
|Pope’s Campaign in Northern Virginia|
|August 23-24||Sulphur Springs|
|August 30||Bull Run and Sulphur Springs|
|September 6-22||Maryland Campaign. Attached to 3rd Brigade, 2nd Division, 12th Army Corps, Army of the Potomac|
|September 14||Battle of South Mountain|
The regiment was commanded by Colonel Arthur Maginnis until he was wounded. Captain William J. McKaig then took over.
From the monument:
This regiment, worn down from active service in the second Manassas Campaign, went into action Sept. 17, 1862 with only five officers and 120 men. It started out on the right of the Union line in front of the West Woods. After heavy action along the Hagerstown Pike, it helped repulse Confederate counter attack following rout of Sedgewick’s Division. Final position of the regiment, 65 yards North of this point.
|October||Duty at Frederick, Md.; Relay House, Md., and Elysville, Md., guarding R. R., and garrison duty in Middle Dept. attahed to Defenses of Baltimore, Md., 8th Army Corps, Middle Dept.|
|January||Attached to 3rd Separate Brigade, 8th Army Corps|
|May||Ordered to Join Army of the Potomac in the field; attached to 2nd Brigade, 4th Division, 5th Army Corps|
|May 29-June 15||Rapidan Campaign|
|June 16-18||First Assault on Petersburg|
|June 16||Siege of Petersburg|
|July 30||Mine Explosion, Petersburg (Reserve)|
|August 18-21||Weldon R. R. Attached to 3rd Brigade, 2nd Division, 5th Army Corps|
|Poplar Springs Church|
|October 27-28||Boydton Plank Road, Hatcher’s Run|
|December 7-12||Warren’s Raid on Weldon R. R.|
|February 5-7||Dabney’s Mills, Hatcher’s Run|
|March 28-April 9||Appomattox Campaign|
|March 29||Lewis Farm, near Gravelly Run|
|March 30-31||Boydton and White Oak Roads|
|April 2||Fall of Petersburg|
|April 3-9||Pursuit of Lee|
Appomattox Court House
Surrender of Lee and his army.
|May 1-12||March to Washington, D.C.|
|May 23||Grand review|
|June 3||Mustered out|