81st New York Infantry

== Regimental History and Service Record ==
* "2nd Oswego Regiment"
* "Mohawk Rangers"
Organized at Albany, N.Y., December 20, 1861, to February 20, 1862. Left State for Washington, D. C., March 5, 1862. Attached to 3rd Brigade, 3rd Division, 4th Army Corps, Army of the Potomac, to June, 1862. 2nd Brigade, 2nd Division, 4th Army Corps, to June, 1862. 1st Brigade, 2nd Division, 4th Army Corps, December, 1862. Naglee's Brigade, Dept. of North Carolina, to January, 1863. 1st Brigade, 2nd Division, 18th Army Corps, Dept. of North Carolina, to February, 1863. 1st Brigade, 1st Division, 18th Army Corps, Dept. of the South, to April, 1863. District of Beaufort, N. C., 18th Army Corps, to October, 1863. Newport News, Va., Dept. of Virginia and North Carolina, to January, 1864. District of the Currituck, Dept. of Virginia and North Carolina, to March, 1864. 1st Brigade, Heckman's Division, Dept. of Virginia and North Carolina, to April, 1864. 1st Brigade, 1st Division, 18th Army Corps, Army of the James, to December, 1864. 1st Brigade, 3rd Division, 24th Army Corps, to July, 1865. 1st Independent Brigade, 24th Army Corps, to August, 1865.
SERVICE.--Duty at Kalorama Heights, Defenses of Washington, D.C., March 7-13, 1862. 
* Moved to the Peninsula, Va., March 28. 
* March 28-September 2, 1862 - The Peninsula Campaign 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
*** April 29, 1862 - Reconnaissance toward Lee's Mill, Virginia
** May 5, 1862 - Battle of Williamsburg, Virginia
** May 31-June 1, 1862 - Battle of Seven Pines, Virginia 
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** June 30, 1862 - Engagement at White Oak Swamp, Virginia
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
At Harrison's Landing until August 16. Movement to Fortress Monroe August 16-22, and duty there until September 18. Duty at Yorktown, Norfolk and Portsmouth until December. Moved to Morehead City, N. C., December 28, 1862-January 1, 1863; thence to Port Royal, S.C., January 28-31, 1863. At St. Helena Island, S.C., until April. Expedition against Charleston, S.C., April 3-11. Moved to New Berne, N. C., April 12-15. Expedition to relief of Little Washington April 17-21. Expedition to Trenton July 4-8. Action at Quaker Bridge July 6. Duty in District of Beaufort, N. C., until October. Moved to Newport News, Va., October 16-18, and duty there until January, 1864. Moved to Portsmouth, Va., January 22, and duty there and in the District of the Currituck until April, 1864. Moved to Yorktown, Va., April 26. Butler's operations on south side of the James River and against Petersburg and Richmond May 4-28. Occupation of Bermuda Hundred and City Point May 5. Swift Creek or Arrowfield Church May 9-10. Operations against Fort Darling May 12-16. Battle of Drury's Bluff May 14-16. Bermuda Hundred May 16-28. Moved to White House Landing, thence to Cold Harbor May 27-31. 
* June 1-12, 1864 - The Overland Campaign
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
Before Petersburg June 15-18. Siege operations against Petersburg and Richmond June 16, 1864, to April 2, 1865. Mine Explosion, Petersburg, July 30, 1864 (Reserve). Battle of Chaffin's Farm, New Market Heights, September 28-30. Battle of Fair Oaks October 27-28. Duty in trenches before Richmond until April, 1865. Occupation of Richmond April 3. Pursuit of Lee April 4-9. Appomattox Court House April 9. Surrender of Lee and his army. Duty in the Department of Virginia until August. Mustered out August 31, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 13 Officers and 129 Enlisted men killed and mortally wounded and 1 Officer and 98 Enlisted men by disease. Total 239.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 897, 898, 901, 902, 903, 904, 932, 941, 436-1437)
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