The 183rd Pennsylvania Infantry Regiment lost 4 officers and 92 enlisted men killed or mortally wounded and 2 officers and 89 enlisted men to disease during the Civil War.

1863
December 24 Organized at Philadelphia under Colonel George P. McLean, Lt. Colonel William Powell and Major John Reynolds
1864
March 8 Ordered to join Army of the Potomac on the Rapidan, Va., and attached to 1st Brigade, 1st Division, 2nd Army Corps
May 3 Colonel McLean resigned
May 4-June 12 Campaign from the Rapidan to the James River, Va.
May 5-7 Battle of the Wilderness
May 8 Corbin’s Bridge
May 8-21 Spottsylvania Court House
May 10 Po River
May 12
Assault on the Salient

The regiment lost 10 killed and 5 mortally wounded, including Captain John Hutt and Lieutenant John Ottinger

May 18 – 20 Lt. Colonel Powell and Major Reynolds resign due to differences with Brigadier General Nelson Miles
May 23-26 North Anna River
May 26-28 On line of the Pamunkey
May 28-31 Totopotomoy
June 1-12 Cold Harbor
June 16-18 First Assault on Petersburg
June 16 Siege of Petersburg
June 21 Captain James C. Lynch of the 106th Pennsylvania is appointed lieutenant colonel in command of the 183rd.
June 22-23 Jerusalem Plank Road, Weldon Railroad
July 19 Lt. Colonel Lynch is promoted to colonel
July 27-29 Demonstration north of the James at Deep Bottom
July 27-28 Deep Bottom
July 30 Mine Explosion, Petersburg (Reserve)
July 31 Captain George T. Egbert of Company A is promoted to major
August Veterans and recruits from the mustered out 72nd Pennsylvania Infantry join the regiment, giving the regiment a a size permitting it a full complement of field officers
August 8 Major Egbert is promoted to lieutenant colonel
August 9 Captain Augustine Lynch of Company D promoted to major
August 13-20 Demonstration north of the James at Deep Bottom
August 14-18 Strawberry Plains, Deep Bottom
August 25 Ream’s Station
October 6 Colonel Lynch is discharges at the experiation of his term
October 27-28 Boydton Plank Road, Hatcher’s Run
December 4 Lt. Colonel Egbert is promoted to colonel and Major Lynch to lieutenant colonel
December 9-10 Reconnaissance to Hatcher’s Run
December 24 Captain Horace P. Ebert of Company A promoted to major
1865
February 5-7 Dabney’s Mills, Hatcher’s Run
March 25 Watkins’ House
March 28-April 9 Appomattox Campaign. attached to 4th Brigade, 1st Division, 2nd Army Corps
March 30-31 Hatcher’s Run or Boydton Road
March 31 White Oak Road
April 2 Sutherland Station
April 6 Sailor’s Creek
April 7 High Bridge, Farmville
April 9 Appomattox Court House. Surrender of Lee and his army.
May 2-12 March to Washington, D.C.
May 23 Grand Review
July 13 Mustered out under Colonel Egbert, Lt. Colonel Lynch and Major Ebert