Organized by Companies as follows: Company "A" in Minnesota October 5, 1861; Company "B" in Michigan October 4, 1861; Company "C" in Pennsylvania October 4, 1861; Company "D" in Maine November 2, 1861; Company "E" in Vermont November 9, 1861; Company "F" in New Hampshire November 28, 1861; Company "G" in New Hampshire December 10, 1861; Company "H" in Vermont December 31, 1861. Companies moved to Washington, D.C., and duty in the Defences of that city till April, 1862. Attached to Augur's Brigade, King's 1st Division, McDowell's 1st Army Corps, Army of the Potomac, March to April, 1862. 1st Brigade, King's Division, Dept. of the Rappahannock, to June, 1862. 1st Brigade, 1st Division, 3rd Army Corps, Army of Virginia, to September, 1862. 1st Brigade, 1st Division, 1st Army Corps, Army of the Potomac, to March, 1863. 3rd Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac, to June, 1863. 2nd Brigade, 1st Division, 3rd Army Corps, to September, 1863. 3rd Brigade, 1st Division, 3rd Army Corps, to March, 1864. 1st Brigade, 3rd Division, 2nd Army Corps, to February, 1865.
SERVICE:
-Moved to Bristoe Station, Va., April 5-6; thence to Falmouth, Va., April 15-19. Duty at Falmouth till May 25. McDowell's advance on Richmond May 25-29. Operations against Jackson June 1-21. Duty at Falmouth till August. Blackburn's Ford July 19. Reconnoissance to Orange Court House July 24-26. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 21-23. Sulphur Springs August 26. Battles of Groveton August 29; Bull Run August 30. Maryland Campaign September 6-22. Battles of South Mountain September 14; Antietam September 16-17. Camp near Sharpsburg till October 29. Movement to Falmouth, Va., October 29-November 17. Battle of Fredericksburg December 12-15. "Mud March" January 20-24, 1863. At Falmouth till April. Chancellorsville Campaign April 27-May 6. Battle of Chancellorsville May 1-5. Gettysburg (Pa.) Campaign June 11-July 24. Battle of Gettysburg, Pa., July 1-3. Pursuit of Lee July 5-24. Action at Wapping Heights, Va., July 23. Bristoe Campaign October 9-22. Auburn and Bristoe October 14. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Brandy Station November 8. Mine Run Campaign November 26-December 2. Payne's Farm November 27. Demonstration on the Rapidan February 6-7, 1864. Campaign from the Rapidan to the James River May 4-June 15. Battles of the Wilderness May 5-7; Laurel Hill May 8; Spottsylvania May 8-12; Po River May 10; Spottsylvania Court House May 12-21. Assault on the Salient, "Bloody Angle," May 12. Harris Farm, Fredericksburg Road, May 19. North Anna River May 23-26. On line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Before Petersburg June 16-19. Siege of Petersburg June 16, 1864, to February 20, 1865. Jerusalem Plank Road, Weldon Railroad, June 22-23, 1864. Demonstration north of the James River July 27-29. Deep Bottom July 28-29. Demonstration north of the James August 13-20. Strawberry Plains, Deep Bottom, August 14-18. Poplar Springs Church, Peeble's Farm, September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Expedition to Weldon Railroad December 7-12. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Discontinued February 20, 1865. Company "A" transferred to 1st Minnesota Infantry, Company "B" to 5th Michigan Infantry, Company "C" to 105th Pennsylvania Infantry, Company "D" to 17th Maine Infantry, Company "F" to 5th New Hampshire Infantry, Company "G" to 5th New Hampshire Infantry, and Company "H" to 4th Vermont Infantry.
Regiment lost during service 8 Officers and 117 Enlisted men killed and mortally wounded and 2 Officers and 123 Enlisted men by disease. Total 250.
