United States Regiments & Batteries > Pennsylvania


1861
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
1862
February Ordered to Washington, D.C.
March 1 Consolidated with 73rd and 99th Pennsylvania Volunteers