UNION MASSACHUSETTS VOLUNTEERS
12th Regiment, Massachusetts Infantry
- Overview:
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Organized at Fort Warren and mustered in June 26, 1861. Moved to Sandy Hook, Md., July 23-27. Attached to George H. Thomas' Brigade, Dept. of the Shenandoah, to October, 1861. Abercrombie's Brigade, Banks' Division, Army of the Potomac, to March, 1862. 2nd Brigade, Williams' 1st Division, Banks' 5th Army Corps and Dept. of the Shenandoah, to May, 1862. 3rd Brigade, 2nd Division, Dept. of the Rappahannock, to June, 1862. 3rd Brigade, 2nd Division, 3rd Army Corps, Army of Virginia, to September, 1862. 3rd Brigade, 2nd Division, 1st Army Corps, Army of the Potomac, to November, 1862. 2nd Brigade, 2nd Division, 1st Army Corps, to March, 1864. 2nd Brigade, 2nd Division, 5th Army Corps, to May, 1864. 2nd Brigade, 3rd Division, 5th Army Corps, to July, 1864.
- Service:
- Operations on the Upper Potomac August, 1861, to February, 1862. Operations opposite Edward's Ferry October 21-24, 1861. Operations in the Shenandoah Valley March 24-April 27. Strasburg March 27. Edenburg April 1-2. Rappahannock Crossing April 18. Battle of Cedar Mountain August 9. Pope's Campaign in Northern Virginia August 16-September 2. Rappahannock Station August 20-23. Thoroughfare Gap August 28. Bull Run August 30. Chantilly September 1. Maryland Campaign September-October. Battles of South Mountain September 14, and Antietam September 16-17. Duty at Sharpsburg till October 30. Movement to Warrenton, thence to Falmouth, Va., October 30-November 19. Battle of Fredericksburg December 12-15. "Mud March" January 20-24, 1863. At Falmouth and Belle Plain, Va., till April 27. Chancellorsville Campaign April 27-May 6. Operations at Pollock's Mill Creek April 29-May 2. Fitzhugh's Crossing April 29-30. Battle of Chancellorsville May 1-5. Gettysburg (Pa.) Campaign June 11-July 24. Battle of Gettysburg July 1-3. Picket duty on the Rapidan till October. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Mine Run Campaign November 26-December 2. Demonstration on the Rapidan February 6-7, 1864. Campaign from the Rapidan to the James May-June, 1864. 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. Line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Bethesda Church June 1-3. White Oak Swamp June 13. Before Petersburg June 16-18. Ordered home for muster out June 25. Mustered out July 8, 1864.
Regiment lost during service 18 Officers and 175 Enlisted men killed and mortally wounded and 83 Enlisted men by disease. Total 276.
- Soldiers:
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