United States Regiments & Batteries > Pennsylvania
The 187th Pennsylvania Infantry Regiment lost 66 enlisted men killed or mortally wounded and 1 officer and 69 enlisted men to disease during the Civil War.
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 1864 
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| March 3 to May 4 | Organized at Philadelphia from 1st Battalion Militia Infantry (6 Mos.) under Lt. Colonel Joseph F. Ramsey and Major George W. Merrick | 
| May 18 | Moved to Washington, D.C. | 
| May 26 | Moved to join Army of the Potomac | 
| June 6 | Reported at Cold Harbor, Va. | 
| June 6-12 | Cold Harbor | 
| June 16-18 | Before Petersburg | 
| June 16 | Siege of Petersburg. Attached to 1st Brigade, 1st Division, 5th Army Corps | 
| June 18 | Major Merrick badly wounded. | 
| June 21-23 | Jerusalem Plank Road, Weldon Railroad | 
| June 24 | Captain David Z. Seipe of Company B promoted to major | 
| July 30 | Mine Explosion, Petersburg (Reserve) | 
| August 18-21 | Weldon Railroad | 
| September 22 | Relieved and ordered to Philadelphia. | 
| September 26 | Major Merrick discharged for wounds, having lost his leg from the wound at Petersburg | 
| September 29 | Lt. Colonel Ramsey discharged | 
| October – August | Garrison and escort duty at Camp Cadwalader, Philadelphia, Pa, and provost duty at other points in Pennsylvania | 
| 
 1865 
 | 
|
| January 31 | Captain John E. Parsons was promoted to lieutenant colonel | 
| May 12 | Lt. Colonel Parsons was promoted to colonel | 
| May | Provided Guard of Honor over remains of President Lincoln in Independence Hall, Philadelphia, and escort to funeral cortege | 
| June 19 | Captain Joesph A. Ege of Company D was promoted to lieutenant colonel | 
| June 24 | Captain David Seipe of Company B was promoted to major | 
| August 3 | Mustered out | 
