The 13th Pennsylvania Cavalry Regiment lost 3 officers and 67 enlisted men killed or mortally wounded and 220 enlisted men to disease during the Civil War.

1861
December Began organization at Philadelphia and Harrisburg
1862
April Completed organization
April Ordered to Baltimore, Md.
April Duty in the Defenses of Baltimore, attached to Defenses of Baltimore, 8th Corps, Middle Department
July 1 James A. Galligher was appointed colonel.
September 24 Moved to Point of Rocks, Md. and guard duty on line of the Potomac between: Berlin and Edward’s Ferry, and scouting in Loudoun and Jefferson Counties, Va. Attached to Defenses Upper Potomac, 8th Corps

1863

February 3 Ordered to join Milroy at Winchester, Va. Attached to Elliott’s Brigade, Milroy’s Command, Winchester, Va., 8th Corps, then 1st Brigade, 2nd Division, 8th Corps
February 25 Woodstock
February 26 Strasburg Road and Woodstock (CompaniesĀ G & L)
April 13 Cedar Creek
April 20 Reconnaissance toward Wardensville and Strasburg
April 22-29 Operations in the Shenandoah Valley
April 22 and 26 Fisher’s Hill, Strasburg Road
April 25-30 Scout to Strasburg
April 28 Strasburg
April 29 Fairmont
May 4-9 Scout in Hampshire County
May 12-26 Operations about Front Royal Ford and Buck’s Ford
Station May 16 Piedmont (Detachment)
June 12 Middletown and Newtown
June 13-15 Battle of Winchester
June 15 Retreat to Harper’s Ferry and duty there
June 30 Moved to Frederick, Md.
July 8 To Boonsboro, and joined 3rd Brigade, 2nd Division, Cavalry Corps, Army Potomac
July-August Scouting in Virginia
August Attached to 2nd Brigade, 2nd Division, Cavalry Corps, Army Potomac
September 2 Oak Shade
September 4 Hazel River
September 13-17 Advance to the Rapidan
September 13 Culpeper C. H.
October 6 Colonel Galligher was discharged
October 9-22 Bristoe Campaign
October 10 James City
October 11 Near Warrenton
October 12 Jeffersonton
October 12-13 Warrenton or White Sulphur Springs
October 14 Auburn and Bristoe
October 14 St. Stephen’s Church
November 7-8 Advance to line of the Rappahannock
November 7 Rappahannock Station
November 15 Catlett’s Station
November 26-December 2. Mine Run Campaign
November 27 New Hope Church
November 28-30 Mine Run
December 28-31 Scout from Vienna to White Plains
1864
February 14 Brentsville
February 28 Near Sprigg’s Ford (Company L)
March 6 Near Greenwich
March 8 Scout to Brentsville
March 9 Scout to Greenwich
March 9 Near Greenwich
March 11 Scout to Greenwich
March 16 Bristoe Station
March 28-29 Scout to Aldie and Middleburg
April 9 Bristoe Station
April 13 Near Nokesville
April 15 Near Milford
April 22 Michael Kerwain was promoted to colonel.
April 24 Near Middletown
May-June Rapidan Campaign
May 3 Temporarily attached to 9th Army Corps, Army of the Potomac
May 5-7 Battle of the Wilderness
May 8-21 Spottsylvania C. H.
May 12 Strasburg (Detachment)
May 23-26 North Anna River
May 26 Rejoined Brigade
May 28 Haw’s Shop
May 30 Old Church
May 31-June 1 Cold Harbor
June 2 Sumner’s Upper Bridge
June 2-7 About Cold Harbor
June 7-24 Sheridan’s Trevillian Raid
June 11-12 Trevillian Station
June 21 White House and St. Peter’s Church and Black Creek or Tunstall Station
June 24 St. Mary’s Church
June 30 Charles City Cross Roads
July 1 Proctor’s Hill
July 12 Warwick Swamp
July 27-29 Demonstration north of James River at Deep Bottom
July 28 Malvern Hill
July 30 Warwick Swamp
August 13-20 Demonstration north Of James River at Deep Bottom
August 14 Gravel Hill
August 14-15 White Oak Swamp
August 16 Charles City Cross Roads
August 16-18 Strawberry Plains
August 23 Dinwiddie Road near Ream’s Station
August 25 Ream’s Station
September 16 Coggin’s Point and Fort Powhatan
September 29-
October 2
Poplar Grove Church
September 29 Wyatt’s Farm
September 30-
October 1
Arthur’s Swamp
October 11-12 Stony Creek
October 27-28 Boydton Plank Road
November 7 and November 28 Reconnaissance’s toward Stony Creek
December 1 Stony Creek Station
December 8-10 Reconnaissance to Hatcher’s Run
December 8-9 Hatcher’s Run
1865
February 5-7 Dabney’s Mills, Hatcher’s Run
February 5 Rowanty Creek
February 17 Ordered to Wilmington, N. C.
March 6 Arived Wilmington, N. C. Attached to Terry’s Provisional Corps, Dept. North Carolina
March 6-21 Advance on Goldsboro. Reported to Sherman at Fayetteville, N.C. and attached to 3rd Brigade, Kilpatrick’s 3rd Division, Cavalry Corps, Military Division Mississippi
March 21 Occupation of Goldsboro
April 10-13 Advance on Raleigh
April 12 Near Raleigh
April 13 Occupation of Raleigh. Received surrender of Artillery.
April 26 Surrender of Johnston and his army at Bennett’s House
May-July Duty at Fayetteville and in Dept. of North Carolina
July 14 Mustered out under Colonel Kerwin
July 27 Discharged at Philadelphia