18th Massachusetts Infantry-American Civil War

Regimental Color, 18th MA Inf

Regimental Color, 18th MA Inf


Organized at Readville and Boston and mustered in August 27, 1861. Left State for Washington, D. C., August 28. Attached to Fort Corcoran, Defences of Washington, to October, 1861. Martindale’s Brigade, Porter’s Division, Army of the Potomac, to March, 1862. 1st Brigade, 1st Division, 3rd Army Corps, Army of the Potomac, to May, 1862. 1st Brigade, 1st Division, 5th Army Corps, Army of the Potomac, to March, 1864. 3rd Brigade, 1st Division, 5th Army Corps, to October, 1864.


Duty at Fort Corcoran, Defences of Washington, D. C., till September 26, 1861, and at Hall’s Hill, Va., till March 10, 1862. Advance on Manassas, Va., March 10-16, 1862. Moved to Alexandria, thence to Fortress Monroe March 16-23. Reconnoissance to Great Bethel March 27. Warwick Road April 5. Siege of Yorktown April 5-May 4. Battle of Hanover Court House May 27. Operations about Hanover Court House May 27-29. Seven days before Richmond June 25-July 1. Operations about White House Landing June 26-July 2. At Ball’s Bluff till August 15. Retreat from the Peninsula and movement to Centreville August 15-28. Battle of Bull Run August 30. Battle of Antietam, Md., September 16-17. Shepherdstown Ford September 19. Shepherdstown, W. Va., September 20. At Sharpsburg till October 30. Movement to Falmouth, Va., October 30-November 19. Battle of Fredericksburg December 12-15. Expedition to Richards and Ellis Fords December 29-30. “Mud March” January 20-24, 1863. Duty at Falmouth till April 27. Chancellorsville Campaign April 27-May 6. Battle of Chancellorsville May 1-5. Gettysburg (Pa.) Campaign June 11-July 24. Ashby’s Gap June 21. Battle of Gettysburg July 1-3. Williamsport, Md., July 14. At Warrenton and Beverly Ford July 27 to September 17, and at Culpeper till October 11. Bristoe Campaign October 11-22. Advance to line of the Rappahannock November 7-8. Rappahannock Station November 7. Mine Run Campaign November 26-December 2. At and near Brandy Station and Stevensburg till May, 1864. Campaign from the Rapidan to the James May-June. Battles of the Wilderness May 5-7; Laurel Hill May 8; Spottsylvania May 8-12; Spottsylvania Court House May 12-21. Assault on the Salient May 12. North Anna River May 23-26. Jericho Ford May 23. On line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Bethesda Church June 1-3. Before Petersburg June 16-18. Siege of Petersburg June 16 to October 21. Weldon Railroad June 21-23. Old members left front July 20 and mustered out September 2, 1864. Veterans and Recruits consolidated to a Battalion. Poplar Springs’ Church, Peeble’s Farm, September 30-October 2. Consolidated with 32nd Massachusetts Infantry October 21, 1864.

Major James B.Ronan II is a Fellow of the Company of Military Historians http://www.military-historians.org/


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