Organized under authority of the War Department at Camp Scott, Staten Island, N.Y., as 5th Regiment, Sickles' Brigade. Left State for Washington, D.C., August 20, 1861. Attached to Sickles' Brigade, Division of the Potomac, to October, 1861. Sickles' Brigade, Hooker's Division. Army of the Potomac, to March, 1862. Designated 74th New York Infantry December 11, 1861. 2nd Brigade, 2nd Division, 3rd Army Corps, Army of the Potomac, to March, 1864. 2nd Brigade, 4th Division, 2nd Army Corps. to May, 1864. 4th Brigade, 3rd Division, 2nd Army Corps, to July, 1864. 1st Brigade, 3rd Division, 2nd Army Corps, to August, 1864.
SERVICE.--Duty in the Defenses of Washington, D. C, until March, 1862. Expedition to Lower Maryland September 15-October 2, 1861. Expedition to Matthias Point November 9. Advance on Manassas, Va., March 10, 1862. Expedition from Dumfries to Fredericksburg, Va., and capture of stores March 18. Reconnaissance from Liverpool Point to Stafford Court House and action at Stafford Court House April 4. Ordered to the Virginia Peninsula April. Siege of Yorktown April 10-May 4. Battle of Williamsburg May 5. Battle of Seven Pines or Fair Oaks May 31-June 1. Seven days before Richmond June 25-July 1. Battles of Oak Grove June 25; Peach Orchard and Savage Station June 29; White Oak Swamp and Glendale June 30; Malvern Hill July 1 and August 5. At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville August 16-26. Pope's Campaign in Northern Virginia August 26-September 2. Action at Bristoe Station or Kettle Run August 27. Battles of Groveton August 29; Bull Run August 30. Duty in the Defenses of Washington, D.C., until November. At Fairfax Station until November 25. Operations on Orange & Alexandria Railroad November 10-12. Battle of Fredericksburg, Va., December 12-15. At Falmouth until April 27, 1863. "Mud March" January 20-24. Operations at Rappahannock Bridge and Grove Church February 5-7. 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 to Manassas Gap, Va., July 5-24. Wapping Heights July 23. Duty on the Rappahannock until October. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Mine Run Campaign November 26-December 2. Payne's Farm November 27. Duty near Brandy Station until May, 1864. Demonstration on the Rapidan February 6-7. Campaign from the Rapidan to the James River May 3-June 15. Battles of the Wilderness May 5-7; Spottsylvania May 8-12; Po River May 10; Spottsylvania Court House May 12-21. Assault on the Salient or "Bloody Angle" May 12. Harris Farm or 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 to August 3. Jerusalem Plank Road, Weldon Railroad, June 22-23. Demonstration north of the James July 27-29. Deep Bottom July 27-28. Regiment mustered out before Petersburg, Va., by Companies as follows: Company "D" June 19, Company "A" June 21, Company "B" June 26, Company "G" June 28, Company "C" July 6, Companies "E," "F," "H," "I" and "K" August 3, 1864. Veterans and Recruits transferred to 40th Regiment New York Infantry August 3 as Companies "G" and "H." Regiment lost during service 8 Officers and 122 Enlisted men killed and mortally wounded and 2 Officers and 67 Enlisted men by disease. Total 199.