Organized by consolidation of First Defenders (5 Cos. and 5 new Cos.). Organized at Harrisburg, Pa., April 18, 1861. Moved to Washington, D. C. (see First Defenders), rest of Regiment camp near Arsenal till June 28. (Cos. "B," "E" and "H" Garrison Fort Washington till mustered out, and Cos. "A," "C" at Washington Arsenal till mustered out.) Companies "D," "F," "G," "I" and "K" march to Rockville, Md., to join Stone, June 29-80. Reported at Poolesville July 1, and moved to Sandy Hook, opposite Harper's Ferry, W. Va. Attached to Stone's 7th Brigade, Sanford's 3rd Division, Patterson's Army. March to Martinsburg July 6-8. Advance to Bunker Hill July 15. Camp at Harper's Ferry July 17-23. Mustered out August 1, 1861.

Predecessor unit:

PENNSYLVANIA VOLUNTEERS.
"FIRST DEFENDERS."-(5 COMPANIES.)

Ringgold Light Artillery of Reading, Logan Guard of Lewiston, Washington Artillery of Pottsville, National Light Infantry of Pottsville, and Allen Rifles of Allentown tendered services April 13, 1861. Moved to Harrisburg April 16-17. Mustered in April 18, and moved to Washington, D. C., via Baltimore, Md., April 18. Quartered in the Capitol, guard Arsenal and Navy Yard. Logan Guard and Washington Artillery on duty at Fort Washington. Assigned to 25th Pennsylvania as Companies "A," "D," "E," "G" and "H" (which see).