The 1st Pennsylvania Infantry was an infantry regiment in the Union Army during the American Civil War that served for three months at the beginning of the war.
The 1st Pennsylvania Infantry was an infantry regiment in the Union Army during the American Civil War that served for three months at the beginning of the war. (en)
The 1st Pennsylvania Infantry was an infantry regiment in the Union Army during the American Civil War that served for three months at the beginning of the war. (en)