66th New York Infantry

== Regimental History and Service Record ==
"Governor's Guard"
Organized at New York City and mustered in November 4, 1861. Left State for Washington, D.C., November 16. 1861. Attached to Graham's Brigade, Buell's Division. Army of the Potomac, to January, 1862. French's Brigade, Sumner's Division, Army of the Potomac, to March, 1862. 3rd Brigade, 1st Division, 2nd Army Corps, to March, 1864. 4th Brigade, 1st Division, 2nd Army Corps, to May, 1865. Fort Richardson, N.Y., to August, 1865.
SERVICE.--Duty in the Defenses of Washington, D.C., until March, 1862. Advance on Manassas, Va., March 10. 
* Ordered to the Virginia Peninsula, March, 1862. 
* March ?-September 2, 1862 - The Peninsula Campaign 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
** May 31-June 1, 1862 - Battle of Seven Pines, Virginia 
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** June 27, 1862 - Engagement at Gaines's Mill, Virginia
*** June 29, 1862 - Battle of the Peach Orchard, Virginia
*** June 29, 1862 - Engagement at Savage's Station, Virginia
*** June 30, 1862 - Engagement at White Oak Swamp, Virginia
*** June 30, 1862 - Engagement at Glendale, Virginia
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Alexandria and Centreville August 16-30. Cover retreat of Pope's army to Washington, D.C., August 31-September 1. 
* September 3-20, 1862 - The Maryland Campaign
** September 17, 1862 - Battle of Antietam, Maryland
Duty at Harper's Ferry, W. Va., September 22 to October 29. Reconnaissance to Charlestown October 16-17, Movement up Loudoun Valley and to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12-15. Duty at Falmouth, Va., until April 27, 1863. "Mud March" January 20-24. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
** May 1-5, 1863 - Battle of Chancellorsville, Virginia
* June 11-August 1, 1863 - The Gettysburg Campaign
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Pursuit of Lee July 5-24. Duty on line of the Rappahannock until October. Advance from the Rappahannock to the Rapidan September 13-17. Bristoe Campaign October 9-22. Auburn and Bristoe October 14. Advance to line of the Rappahannock November 7-8.
* Mine Run Campaign November 26-December 2.
* Duty at and near Stevensburg, Va., until May, 1864.
* Demonstration on the Rapidan February 6-7.
* 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
*** May 10, 1864 - Combat at Po River, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
** 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, Virginia
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Jerusalem Plank Road, Weldon Railroad, June 22-23, 1864. Demonstration on the north side of the James July 27-29. Deep Bottom July 27-28. Demonstration on north side of the James August 13-20. Strawberry Plains, Deep Bottom, August 14-18. Ream's Station August 25. Reconnaissance to Hatcher's Run December 9-10. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Watkins' House March 25. Appomattox Campaign March 28-April 9. Boydton and White Oak Roads March 29-31. Sutherland Station and fall of Petersburg April 2. Sailor's Creek April 6. High Bridge and Farmville April 7. Appomattox Court House April 9. Surrender of Lee and his army. Moved to Washington, D. C, May 2-12. Grand Review May 23. Moved to New York and duty at Fort Richmond, New York harbor, until August. Mustered out August 30, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 9 Officers and 88 Enlisted men killed and mortally wounded and 4 Officers and 120 Enlisted men by disease. Total 221.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 761, 827, 897, 901, 902, 903, 904, 905, 916, 932, 933, 934, 935, 936, 938, 940, 941, 1429-1430)
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