24th Pennsylvania Infantry Regiment

1861
May 1	Organized at Philadelphia
May 7	Mustered into United States servie for three months under Colonel Joshua T. Owen, Lieutenant Colonel Dennis Heenan and Major Dennis O'Kane
June 3	Moved to Chambersburg, Pa. Attached to Negley's 5th Brigade, Keim's 2nd Division, Patterson's Army
June 16	Moved to Hagerstown, Md.
June 18	to Williamsport
July 3	Occupation of Martinsburg
July 15	Advance on Bunker Hill
July 17	At Charlestown
July 27	General Patterson requested the regiment remain in service beyond its original three months until replacements arrived, and the regiment volunteered to extend its service by two weeks.
August 10	Moved to Harper's Ferry; then by rail to Baltimore and Philadelphia and mustered out