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Muster In: November 4, 18611
Muster Out: August 30, 18652

Commander(s):
Lt. Colonel John Sweeney Hammell
Commander Image

Captain Burton Davis
Commander Image

Captain Albert Gosse
Commander Image

Lieutenant Nathaniel P. Lane
Commander Image

Lieutenant Simon Pincus
Commander Image

Commander 5
Commander Image

First Offensive Order of Battle: Fourth Brigade | First Division | II Corps | Army of the Potomac | Union Army3

  • Commander:
    • Lt. Colonel John Sweeney Hammell (captured June 17, 1864)4
    • Captain Burton Davis[?]
  • Unit Strength:
  • Weapons: Enfield Rifles (.577 caliber) (June 30, 1864)5

Second Offensive Order of Battle: Fourth Brigade | First Division | II Corps | Army of the Potomac | Union Army6

  • Commander:
    • Captain Burton Davis (wounded June 22, 1864)
    • Unknown
    • Lieutenant Nathaniel P. Lane (assumed command on June 27, 1864)7
  • Unit Strength: 42 officers and men PFD (July 23, 1864)8
  • Weapons: Enfield Rifles (.577 caliber) (June 30, 1864)9
  • Note: The 66th New York was temporarily assigned to the 64th New York from June 23 to probably around June 27, 1864 due to severe losses on June 22, 1864.10

Third Offensive Order of Battle: Fourth Brigade | First Division | II Corps | Army of the Potomac | Union Army11,12

  • Commander: Lieutenant Nathaniel P. Lane (July 31, 1864)13
  • Unit Strength:
  • Weapons:

Fourth Offensive Order of Battle: Fourth Brigade | First Division | II Corps | Army of the Potomac | Union Army14,15

  • Commander: Lieutenant Simon Pincus (at least August 28-31, 1864)16,17
  • Unit Strength:
  • Weapons:

Fifth Offensive Order of Battle: Fourth Brigade | First Division | II Corps | Army of the Potomac | Union Army18

  • Commander:
    • Lieutenant Simon Pincus (at least September 10, 1864)19
    • Captain Albert Gosse (at least October 12, 1864)20,21
  • Unit Strength:
  • Weapons:

Sixth Offensive Order of Battle:

  • Commander:
  • Unit Strength:
  • Weapons:

Seventh Offensive Order of Battle:

  • Commander:
  • Unit Strength:
  • Weapons:

Eighth Offensive Order of Battle:

  • Commander:
  • Unit Strength:
  • Weapons:

Ninth Offensive Order of Battle:

  • Commander:
  • Unit Strength:
  • Weapons:

Dyer’s Compendium Info:
Petersburg Campaign Battles22:

  • 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.

Bibliography:

    Siege of Petersburg Documents Which Mention This Unit:

    Sources:

    1. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    2. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    3. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pages 219-220
    4. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 356
    5. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 66th New York Entry, Page 116; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C.
    6. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pages 219-220
    7. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), page 543
    8. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 357: 2 officers and forty men present for duty
    9. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 66th New York Entry, Page 116; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C.
    10. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 357: A Lieutenant Lane arrived at the front and assumed command of the 66th New York on June 27.
    11. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 252
    12. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 3 (Serial Number 82), page 730
    13. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 3 (Serial Number 82), page 730
    14. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 2 (Serial Number 88), page 613: “Organization of the Army of the Potomac…August 31, 1864”
    15. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), pages 117, 129: “Return of Casualties in the Union Forces (August 1864)”
    16. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), pages 279-280
    17. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 2 (Serial Number 88), page 613: “Organization of the Army of the Potomac…August 31, 1864”
    18. Sommers, Richard J. “Grant’s Fifth Offensive at Petersburg: A Study in Strategy, Tactics, and Generalship.  The Battle of Poplar Spring Church, the First Battle of the Darbytown Road, the Second Battle of the Squirrel Level Road, the Second Battle of the Darbytown Road (Ulysses S. Grant, Virginia).” Doctoral Thesis. Rice University, 1970. Print. p. 1298.
    19. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pages 356-357
    20. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pages 357-358
    21. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), pages 278-279
    22. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)

    ***


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