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Muster In: Organized at Detroit, Mich., and mustered in August 30, 1862.1
Muster Out: Mustered out June 23, 1865.2

Commander(s):
Colonel Russell A. Alger
Commander Image

Lieutenant Colonel Smith H. Hastings
Commander Image

Commander 3
Commander Image

First Offensive Order of Battle: First Brigade | First Division | Cavalry Corps | Army of the Potomac | Union Army3,4

  • Commander:
  • Unit Strength:
  • Weapons:

Second Offensive Order of Battle: First Brigade | First Division | Cavalry Corps | Army of the Potomac | Union Army5,6

  • Commander: Colonel Russell A. Alger (June 30, 1864)7
  • Unit Strength:
  • Weapons:

Third Offensive Order of Battle: First Brigade | First Division | Cavalry Corps | Army of the Potomac | Union Army8,9

  • Commander: Colonel Russell A. Alger (July 31, 1864)10
  • Unit Strength:
  • Weapons:

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

  • Commander:
  • Unit Strength:
  • Weapons:
  • Note: Note: The First Brigade, First Division, Cavalry Corps, Army of the Potomac was ordered to Washington, D. C. and embarked on August 3, 1864.11,12

Fifth Offensive Order of Battle:

  • No longer present at the Siege of Petersburg.13

Sixth Offensive Order of Battle:

  • No longer present at the Siege of Petersburg.14

Seventh Offensive Order of Battle:

  • No longer present at the Siege of Petersburg.15

Eighth Offensive Order of Battle:

  • No longer present at the Siege of Petersburg.16

Ninth Offensive Order of Battle: First Brigade | First Division | Cavalry | Army of the Shenandoah | Union Army17,18

  • Commander: Lieutenant Colonel Smith H. Hastings (March 31, 1865)19
  • Unit Strength:
  • Weapons:
  • Note: Sheridan’s cavalry from the Army of the Shenandoah, formerly the 1st and 3rd Divisions, Cavalry Corps, AotP, crossed the James River from the north side on March 26, 1865 to rejoin the Union Armies operating against Richmond and Petersburg.

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles20:

  • Sheridan’s Trevillian Raid June 7-24.
  • Trevillian Station June 11-12.
  • Newark or Mallory’s Cross Roads June 12.
  • Black Creek or Tunstall’s Station June 21.
  • White House or St. Peter’s Church June 21.
  • Jones’ Bridge June 23.
  • Demonstration north of the James River July 27-29.
  • Deep Bottom July 27-28.
  • Ordered to Washington, D. C., August –.
  • …away…
  • Appomattox Campaign March 28-April 9.
  • Dinwiddie Court House March 30-31.
  • Five Forks April 1.
  • Scott’s Cross Roads April 2.
  • Tabernacle Church or Beaver Pond Creek April 4.
  • Sailor’s Creek April 6.
  • Appomattox Station April 8.
  • Appomattox Court House April 9.
  • Surrender of Lee and his army.

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), p. 231
    4. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), p. 550
    5. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), p. 231
    6. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), p. 550
    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), p. 550
    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 261
    9. 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 735
    10. 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 735
    11. Kidd, James B. Personal Recollections of a Cavalryman with Custer’s Michigan Cavalry Brigade in the Civil War (Ionia, MI: Sentinel Publishing Co., 1908), page 373
    12. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    13. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    14. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    15. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    16. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    17. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 575: “Organization of the Union Forces” (March 31, 1865)
    18. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 591: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 1865”
    19. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 575: “Organization of the Union Forces” (March 31, 1865)
    20. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)

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