126th Ohio Infantry The 126th Ohio Volunteer Infantry ( or 126th OVI ) was an infantry regiment in the Union Army during the American Civil War . Service . The 126th Ohio Infantry was organized at Camp Steubenville in Steubenville , Ohio and mustered in for three years service on September 4 , 1862 under the command of Colonel Benjamin F . Smith . The regiment was attached to Railroad Division , Western Virginia , to January 1863 . Martinsburg , W . Va . , VIII Corps , Middle Department , to March 1863 . 2nd Brigade , 1st Division , VIII Corps , to June 1863 . 3rd Brigade , French ' s Command , VIII Corps , to July 1863 . 3rd Brigade , 3rd Division , III Corps , Army of the Potomac , to March 1864 . 2nd Brigade , 3rd Division , VI Corps , Army of the Potomac and Army of the Shenandoah , Middle Military Division , to June 1865 . The 126th Ohio Infantry mustered out of service at Washington , D . C . on June 25 , 1865 . Detailed service . Moved to Parkersburg , Va . , September 16 , 1862 . Moved to Cumberland , Md . , October 17 , 1862 , and to North Mountain December 12 . Guard duty on Baltimore & Ohio Railroad from North Mountain to Martinsburg December 12 – 20 , and duty at Martinsburg until June 14 , 1863 . Expedition to Greenland Gap April 15 – 22 . Action at Martinsburg June 14 ( Company B ) . Retreat to Harper ' s Ferry June 15 – 17 . Guard stores to Washington , D . C . ; thence to Frederick , Md . , July 1 – 5 . Pursuit of Lee to Manassas Gap , Va . , July 5 – 24 . Action at Wapping Heights , Va . , July 23 . Duty in New York City during draft disturbances August 18 - September 5 . Bristoe Campaign October 9 – 22 . Advance to line of the Rappahannock November 7 – 8 . Kelly ' s Ford November 7 . Brandy Station November 8 . Mine Run Campaign November 26 - December 2 . Demonstration on the Rapidan February 6 – 7 , 1864 . Campaign from the Rapidan to the James River May 3 - June 15 . Battles of the Wilderness May 5 – 7 . Spottsylvania May 8 – 12 ; Spottsylvania Court House May 12 – 21 . Assault on the Salient " Bloody Angle " May 12 . North Anna River May 23 – 26 . On line of the Pamunkey May 26 – 28 . Totopotomoy May 28 – 31 . Cold Harbor June 1 – 12 . Before Petersburg June 18 - July 6 . Jerusalem Plank Road June 22 – 23 . Ordered to Baltimore , Md . , July 6 . Battle of Monocacy Junction , Md . , July 9 . Sheridan ' s Shenandoah Valley Campaign August 7 - November 28 . Battle of Opequan , Winchester , September 19 . Fisher ' s Hill September 22 . Battle of Cedar Creek October 19 . Duty at Kernstown until December . Moved to Washington , D . C . , December 3 ; thence to Petersburg , Va . Siege of Petersburg December 9 , 1864 , to April 2 , 1865 . Appomattox Campaign March 28 - April 9 . Assault on and fall of Petersburg April 2 . Pursuit of Lee April 3 – 9 . Sayler ' s Creek April 6 . Guard prisoners at Burkesville April 6 – 15 . March to Danville April 15 – 27 , and duty there until May 16 . Moved to Richmond , Va . , May 16 ; thence to Washington , D . C . , May 24 - June 2 . Corps Review June 9 . Casualties . The regiment lost a total of 296 men during service ; 9 officers and 148 enlisted men killed or mortally wounded , 2 officers and 142 enlisted men died of disease .