75th Pennsylvania Infantry Regiment  The 75th Regiment Pennsylvania Volunteer Infantry was a unit of the Union Army during the American Civil War. It was composed almost entirely of German-speaking residents of Philadelphia and newly arrived German immigrants. Total enrollment, over the course of the war, was 1,293 officers and men. The 75th Pennsylvania participated in several major battles including Second Bull Run, Chancellorsville, and Gettysburg. The regiment was transferred to the Western Theater in September, 1863. There, it participated in operations in Tennessee, before it was mustered out of service on September 1, 1865, following the close of the war. Colonel Henry Bohlen (August 7, 1861 - April 28, 1862, promoted to brigadier general) Colonel Francis Mahler (April 1862 - July 1, 1863, killed at Gettysburg) Major August Ledig (July 1, 1863 - March 8, 1864, assumed command after Mahler wounded at Gettysburg) Lt. Colonel Alvin V. Matzdorff (March 8, 1864 - September 1, 1865, mustered out with regiment)  Company A – Capt. Julius Oswald (August 9, 1861 – July 28, 1862, resigned) Capt. Reinhard Gerke (July 28, 1862 – September 1, 1865, mustered out with company)  Company B – Capt. August Sehmann (August 16, 1861 - October 6, 1864, mustered out when term expired)  Company C – Capt. Rudolph Schwartz (August 22, 1861 – November 5, 1862, discharged for wounds received at Second Bull Run) Capt. Charles Saalmann (March 1, 1863 – May 28, 1865, detached from regiment as Acting Commissary of Subsistence to Third Brigade,First Division, Twentieth Corps on January 1, 1864, participated in General Sherman's Atlanta and Savannah Campaigns, resigned at close of war). Company D – Capt. Philip T. Schopp (August 27, 1861 – September 14, 1862, promoted to colonel) Roderick Theune (June 26, 1862 – December 28, 1863, resigned)  Company E – Capt. August Ledig (August 9, 1861 – July 30, 1962, promoted to major)Capt. Roswell G Feltue (September 1, 1861 – September 1, 1865, mustered out with company)  Company F – Capt. Gablenz Wolfgang (September 16, 1861 – August 14, 1862, resigned)Capt. Frederick Oppman (August 14, 1862 – January 12, 1863, discharged)Capt. Richard Ledig (March 1, 1862 – November 3, 1864, discharged for wounds received at Second Bull Run)  Company G – Capt. Adoph Shoeninger (September 25, 1861 – August 23, 1862, resigned)Capt. Frederick Tiedemann (August 23, 1862 – September 15, 1863, resigned)Capt. Franz Ehrlich (December 5, 1861 – September 1, 1865, mustered out with company)  Company H – Capt. August Sauer (October 9, 1861 – December 1, 1861, resigned)Capt. Joseph S. Chandler (December 1, 1861 – September 18, 1862, promoted to major 114th Pennsylvania Infantry)Capt. William Schindler (August 31, 1862 – July 3, 1864, resigned)  Company I – Capt. Frederick Winter (October 16, 1861 – September 1, 1865, mustered out with company)  Company K – Capt. Christian Wyck (August 9, 1861 – April 15, 1862, drowned in Shenandoah River)Capt. Frederick Fromhagen (October 30, 1862 – April 9, 1863, resigned)  "September 1861 - November 1861".