Organized by direction of the President May 4, 1861, and confirmed July 29, 1861, by Act of Congress. Regiment organized at Fort Preble, Maine. Moved to Washington, D.C., March 4, 1862. Attached to Sykes' Regular Infantry, Reserve Brigade, Army of the Potomac, to May, 1862. 2nd Brigade, 2nd Division, 5th Army Corps, to September, 1863. 1st Brigade, 2nd Division, 5th Army Corps, to March, 1864. 4th Brigade, 1st Division, 5th Army Corps, to April, 1864. 1st Brigade, 1st Division, 5th Army Corps, to June, 1864. 1st Brigade, 2nd Division, 5th Army Corps, to October, 1864. Dept. of the East to October, 1865.
SERVICE. – Moved to the Virginia Peninsula March, 1862. Siege of Yorktown, Va., April 5-May 4. Seven days before Richmond June 25-July 1. Battles of Mechanicsville June 26; Gaines' Mill June 27; Turkey Bridge June 30; Malvern Hill July 1. At Harrison's Landing till August 16. Movement to Fortress Monroe, thence to Centreville August 16-28. Pope's Campaign in Northern Virginia August 28-September 2. Battles of Groveton August 29. Bull Run August 30. Maryland Campaign September 6-22. Battle of Antietam, Md., September 16-17. Shepherdstown Ford September 19-20. At Sharpsburg, Md., till October 29. Movement to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12-15. "Mud March" January 20-24, 1863. 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. At New York on special duty August 14-September 21. Rejoined army at Culpeper, Va. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Mine Run Campaign November 26-December 2. Rapidan Campaign May 4-June 12. Battles of the Wilderness May 5-7; Spottsylvania Court House May 8-21; North Anna River May 22-26. 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-October 13. Mine Explosion, Petersburg, July 30 (Reserve). Weldon Railroad August 18-21. Poplar Springs Church, Peeble's Farm, September 29-October 2. Ordered to New York October 13, 1864, and duty at Fort Lafayette, New York Harbor, till October, 1865.
Regiment lost during service 9 Officers and 92 Enlisted men killed and mortally wounded and 2 Officers and 100 Enlisted men by disease. Total 203.
SOURCE: Frederick H. Dyer, A Compendium of the War of the Rebellion, Part 3, p. 1715