4th New York Heavy Artillery

== Regimental History and Service Record ==
Organized at New York November, 1861, to February, 1862. Left State for Washington, D.C., February 10, 1862. Attached to Military District of Washington to May, 1862. Whipple's Command, Military District of Washington, to October, 1862. Abercrombie's Division, Defenses of Washington, to February, 1863. Abercrombie's Division, 22nd Army Corps, Dept. of Washington, to April,. 1st Brigade, DeRussy's Division, 22nd Army Corps, to May, 1863. 4th Brigade, DeRussy's Division, 22nd Army Corps, to December, 1863. (4 Cos. 11th New York Heavy Artillery assigned July 25, 1863, as Cos. "I," "K," "L" and "M."). 3rd Brigade, DeRussy's Division, 22nd Army Corps, to March, 1864. Artillery Brigade, 6th Army Corps, Army of the Potomac, to May, 1864 (Cos. "C," "D," "L" and "M" 1st Battalion). Artillery Brigade, 5th Army Corps, to May, 1864 (Cos. "E," "F," "H" and "K" 2nd Battalion). Artillery Brigade, 2nd Army Corps, to May, 1864 (Cos. "A," "B," "G" and "I" 3rd Battalion). Artillery Brigade, 2nd Army Corps, May 31 to June 25, 1864. 1st Brigade, 3rd Division, 2nd Army Corps (1st Battalion). 2nd Brigade, 3rd Division, 2nd Army Corps (2nd Battalion), June 25 to July 13, 1864. Artillery Reserve to August, 1864. Unattached, 1st Division, 2nd Army Corps, to September, 1864. 4th Brigade, 1st Division, 2nd Army Corps, to March, 1865. 2nd Brigade, 1st Division, 2nd Army Corps, to June, 1865. 3rd Brigade, DeRussy's Division, 22nd Army Corps, to August, 1865. 2nd Brigade, Dept. of Washington, to September, 1865. (Co. "I)" with Artillery Brigade, 2nd Army Corps, July to December, 1864. Co. "L" with Artillery Brigade, 2nd Army Corps, July, 1864, to March, 1865. Co. "C" with Artillery Brigade, 2nd Army Corps, October, 1864, to May, 1865.)
SERVICE.--Duty in the Defenses of Washington, D. C., until March, 1864. Action at Lewinsville, Va., July 6, 1862, and October 1, 1863 (Detachment).
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, Virginia
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia
** Piney Branch Church May 8 (2nd Battalion); 
** Laurel Hill May 10 (3rd Battalion)
** Landron's Farm May 18 (1st Battalion); 
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, VirginiaNot originally listed on unit homepage
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
*** June 1-3, 1864 - Battle of Bethesda Church, VirginiaNot originally listed on unit homepage
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Jerusalem Plank Road, Weldon Railroad, June 22-23, 1864. Deep Bottom July 27-28. Mine Explosion, Petersburg, July 30 (Reserve). Strawberry Plains, Deep Bottom, August 14-18. Ream's Station August 25. Poplar Springs Church, Peeble's Farm, September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Reconnaissance to Hateher's Run December 9-10. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Watkin's House March 25. Appomattox Campaign March 28-April 9. Hatcher's Run or Boydton Road and White Oak Road March 31. Sutherland Station and fall of Petersburg April 2. Pursuit of Lee April 3-9. Amelia Springs April 5. Sailor's Creek April 6. Farmville April 7. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D.C., May 2-12. Grand Review May 23. Duty in the Defenses of Washington until September. Mustered out September 26, 1865, and honorably discharged from service.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 8 Officers and 108 Enlisted men killed and mortally wounded and 4 Officers and 334 Enlisted men by disease. Total 454.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 932, 933, 934, 938, 940, 941, 1384)
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