United States Regiments & Batteries > Pennsylvania

July – August Organized at Philadelphia as 30th Pennsylvania Volunteers
September Designation changed to 66th Pennsylvania Infantry Regiment
September 20 Moved to Washington, D.C. Attached to Abercrombie’s Brigade, Banks’ Division, Army of the ¬†Potomac
October Duty on the Upper Potomac at Frederick, Md.
October 21-24 Operations on the Potomac
February Ordered to Washington, D.C.
March 1 Consolidated with 73rd and 99th Pennsylvania Volunteers