21st New York Cavalry

== Regimental History and Service Record ==
"Griswold Light Cavalry"
Organized at Troy, N.Y., and mustered in by Companies as follows: "A," "B," "C" and "D" August 28, 1863; "E" September 1, 1863; "F" September 18, 1863; "G" October 14, 1863; "H" October 15, 1863; "I" October 16, 1863; "K" November,. and "L" December, 1863; "M" January, 1864. Companies "A," "B," "C," "D" and "E" left State for Washington, D.C., September 4, 1863. Company "F" September 19; "G," "H" and "I" October 19; "K" November, 1863, and "L" and "M" February, 1864. Attached to 22nd Army Corps, Dept. of Washington, D.C., to January, 1864. Cavalry Brigade, 1st Division, Army of West Virginia, to April, 1864. 1st Brigade, 1st Cavalry Division, Army of West Virginia, to August, 1864. 2nd Brigade, 1st Cavalry Division, Army of West Virginia, to September, 1864. Remount Camp Cumberland, Md., Dept. of West Virginia, to November, 1864. 1st Brigade, 2nd Division, Cavalry Corps, Army of the Shenandoah, Middle Military Division, to March, 1865. Tibbitt's Brigade, District of Harper's Ferry, Dept. of West Virginia, to May, 1865. 22nd Army Corps, Dept. of Washington, to June, 1865. Dept. of Missouri to June, 1866.
SERVICE.--Duty at Camp Stoneman, Defenses of Washington, D. C, until February, 1864. Attempt to capture Lieutenant Washington by Company "H" January 4. Company ambushed near Smithfield, Va. Berryville Ford January 22. Newtown and Woodstock January 23. Operations in Hampshire and Hardy Counties, W. Va., January 27-February 7. Mechanicsburg Gap February 2. Moorefield February 4. Moved to Harper's Ferry, thence to Halltown, Va. Charlestown February 6-7. Near Smithfield February 14. Paris February 20. Near Kablestown April 10. Near Middletown April 24 (Detachment). Sigel's Expedition from Martinsburg to New Market April 30-May 16. Brock's Gap May 10, Battle of New Market May 15. Newtown May 21, 29 and 30 and June 3. Hunter's Raid on Lynchburg May 26-July 1. Piedmont June 5. Occupation of Staunton June 6. Lexington June 14. Otter Creek June 16. Diamond Hill June 17. Lynchburg June 17-18. Liberty June 19. Catawba Mountains June 21. Salem June 21-22. Bushy Ridge, Charlestown, June 27. Winchester July 1. Bunker Hill July 2. Buckton July 3. Pleasant Valley July 4. 
* July 5, 1864 - Skirmish at Solomon's Gap, Maryland
* July 7, 1864 - Skirmish at Brownsville, Maryland
* July 11, 1864 - Skirmish at Frederick, Maryland
Near Hillsboro July 15-16. Purcellsville and near Wood's Grove July 16. Snicker's Gap and Snicker's Ferry July 17-18. Ashby's Gap and Berry's Ford July 19. Salem July 20. Stevenson's Depot July 20. Near Kernstown July 23. Kernstown, Winchester, July 24. Bunker Hill and Martinsburg July 25. Near Charlestown August 21-22. Falling Waters August 24. Duty at Remount Camp, Cumberland, Md., until November. Milford October 25-26. Nineyah November 12. Stony Creek, Hawkinsville, and Rude's Hill, near Front Royal, November 22. Near Kernstown November 24. Near Winchester November 29. Near Millwood December 4. White Post December 6. Raid on Gordonsville December 19-28. Liberty Mills December 21. Gordonsville December 22-23. Warrenton December 26. Ashby's Gap December 27. Near Paris January 19, 1865. Expedition from Winchester into Loudoun County February 18-19. Ashby's Gap February 19. White Post March 22. Near Berryville April 9. Duty at Washington, D.C., until June, and at Fort Leavenworth, Kansas, until September. At Denver, Colo., until June, 1866. Mustered out at Denver, Colo. Company "B" June 23, Company "F" June 26, Company "G" June 29, Company "C" July 3, Company "E" July 5, Company "D" July 7 and Company "A" at Fort Leavenworth, Kansas, August 31, 1866.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 3 Officers and 63 Enlisted men killed and mortally wounded and 1 Officer and 76 Enlisted men by disease. Total 143.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 763, 764, 1381)
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