United States Regiments & Batteries > Pennsylvania
The 18th Pennsylvania Cavalry Regiment lost 5 officers and 55 enlisted men killed or mortally wounded and 2 officers and 232 enlisted men to disease during the Civil War.
It is honored by a monument at Gettysburg. From the monument: “Participated with the armies of the Potomac and Shenandoah in 51 battles, and out of a total enrollment of 2020, lost in killed, died, wounded and prisoners 668, of whom 131 died in the hands of the enemy while prisoners of war.”
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1862
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| August to December | Organized at Pittsburgh and Harrisburg |
| December 8 | Left State for Washington, D.C. Duty at Bladensburg and Germantown and in the Defenses of Washington attached to Wyndham’s Cavalry Brigade, Defenses of Washington |
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1863
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| February 10 & 26 | Skirmishes at Chantilly, Va. Attached to Price’s Independent Cavalry Brigade, 22nd Corps, Dept. of Washington |
| February 27-28 | Scout from Centreville to Falmouth, Va. |
| April | Attached to 3rd Brigade, Stahel’s Cavalry Division, 22nd Corps |
| June 25 | Left Fairfax C. H. with Stahel’s Division to join Army Potomac. Attached to 1st Brigade, 3rd Division, Cavalry Corps, Army Potomac |
| June 30 | Hanover, Pa. |
| July 1-3 |
Battle of GettysburgThe regiment was commanded at Gettysburg by Lieutenant Colonel William Penn Brinton. From the monument: The Regiment participated in the cavalry fights at Hanover June 30th and Hunterstown July 2d 1863. On July 3d occupied this position, and in the afternoon charged with the brigade upon the enemy’s infantry behind the stone wall to the north of this point on the outer edge of the woods. Present at Gettysburg 599 officers and men. Killed 2 men, wounded 4 men, captured or missing 8 men. |
| July 2 | Hunterstown |
| July 4 | Monterey Gap |
| July 5 | Smithburg, Md. |
| July 6 | Williamsport and Hagerstown |
| July 8 | Boonsboro |
| July 11-13 | Hagerstown |
| July 14 | Falling Water |
| July 24 | Battle Mountain near Newby’s Cross Roads |
| September 1-3 | Expedition to Port Conway |
| September 1 | Lamb’s Creek |
| September 13-17 | Advance to the Rapidan |
| September 13 | Culpeper C. H. and Brandy Station |
| September 13-14 | Rapidan Station |
| September 21-23 | Reconnaissance across the Rapidan |
| October 9-22 | Bristoe Campaign |
| October 10 | James City and Bethesda Church |
| October 11 | Near Culpeper and near Warrenton and Brandy Station |
| October 14 | Gainesville |
| October 17-18 | Groveton |
| October 19 | Gainesville, New Baltimore, Buckland’s Mills and Haymarket |
| November 7-8 | Advance to line of the Rappahannock (Companies B & H at Headquarters, 5th Corps, and at Rappahannock Station November 7. Rejoined Regiment November 19.) |
| November 18 | Germania Ford |
| November 26-December 2 | Mine Run Campaign |
| November 26 | Morton’s Ford |
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1864
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| January 13 | Near Ely’s Ford |
| February 6-7 | Demonstration on the Rapidan |
| February 28-March 4 | Kilpatrick’s Raid on Richmond |
| March 1 | Fortifications of Richmond |
| May-June | Rapidan Campaign |
| May 5-7 |
Battle of the Wilderness |
| May 5 | Craig’s Meeting House |
| May 5-6 | Todd’s Tavern |
| May 8 | Alsop’s Farm |
| May 9-24 | Sheridan’s Raid to James River |
| May 9-10 | North Anna River |
| May 11 |
Ground Squirrel Church and Yellow Tavern |
| May 12 | Brook’s Church or Richmond fortifications, Strawberry Hills |
| May 26-28 | Line of the Pamunkey |
| May 27 | Demonstration on Little River |
| May 28-31 | Totopotomoy |
| May 30 | Hanover Court House |
| May 31 | Mechump’s Creek |
| May 31-June 1 |
Cold Harbor |
| June 2 | Totopotomoy and Gaines’ Mill, Salem Church and Haw’s Shop |
| June 3 | Haw’s Shop |
| June 10 | Old Church |
| June 11 | Bethesda Church |
| June 12 | Long Bridge |
| June 15 | Smith’s Store near St. Mary’s Church |
| June to August | Siege of Petersburg |
| June 22-23 | Jerusalem Plank Road |
| June 25-July 16 | Company B at Headquarters, 6th Corps |
| July 14 | White Oak Swamp |
| August 7-November 28 | Sheridan’s Shenandoah Valley Campaign. Attached to Army of the Shenandoah, Cavalry Corps, 3rd Cavalry Division |
| August 15 and 17 | Winchester |
| August 21-22 | Near Charlestown |
| September 1 | Limestone Ridge |
| September 13 | Abraham’s Creek near Winchester |
| September 19 |
Third Battle of Winchester, or Battle of Opequan, |
| September 20 | Near Cedarville |
| September 21 | Front Royal |
| September 22 | Milford |
| September 29 | Waynesboro |
| October 6 | Near Brock’s Gap |
| October 8-9 | Tom’s Brook |
| October 13 | Cedar Creek |
| October 19 |
Battle of Cedar Creek |
| November 11 | Cedar Creek |
| November 12 | Newtown or Middletown |
| November 22 | Rude’s Hill near Mt. Jackson |
| December 19-22 | Expedition to Lacy Springs |
| December | Duty at and near Winchester |
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1865
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| February | Attached to Cavalry Brigade, Army of the Shenandoah |
| March 17-19 | Scout to Edenburg |
| March-June | At Cumberland, Md. |
| April 29 | Captain Theophilus Rodebough, USA, was appointed colonel of the 18th Pennsylvania Cavalry. |
| June 24 | Consolidated with 22nd Pennsylvania Cavalry to form 3rd Provisional Cavalry. |