Organized by direction of the President May 4, 1861, and confirmed by Act of Congress July 29, 1861. Organized at Fort Independence, Boston Harbor, 1st Battalion ordered to Perryville, Md., October 10, 1861, and duty there till March, 1862. Ordered to Washington, D.C. Attached to Sykes' Regular Infantry, Reserve Brigade, Army 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 November, 1864. Annapolis, Md., 8th Army Corps, Middle Department, to January, 1865. City Point, Va., Headquarters Army Potomac, to May, 1865. Dept. of Virginia, to October, 1865.
Service:
-Moved to Virginia Peninsula March, 1862. Siege of Yorktown 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 July 1-3. Pursuit of Lee July 5-24. On special duty at New York August 21-September 14. Rejoined army, 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, 1864. 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-November 2. Mine Explosion, Petersburg, July 30 (Reserve). Weldon Railroad August 18-21. Poplar Springs Church, Peeble's Farm September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Moved to Fort Hamilton, N.Y. Harbor, November 2, thence to Baltimore, Md., November 18, and to Annapolis, Md., December 5. Duty at Camp Parole, Annapolis, Md., till January 26, 1865. Ordered to City Point, Va., January 26, and camp near Gen. Grant's Headquarters till March 8. Provost duty at Headquarters, Army Potomac, till May, and at Richmond. Va., till October, 1865.
Regiment lost during service 8 Officers and 117 Enlisted men killed and mortally wounded and 2 Officers and 86 Enlisted men by disease. Total, 213.
