90th Ohio Infantry The 90th Ohio Volunteer Infantry ( or 90th OVI ) was an infantry regiment in the Union Army during the American Civil War . Service . The 90th Ohio Infantry was organized at Camp Circleville near Lancaster , Ohio and mustered in for three years service on August 29 , 1862 under the command of Colonel Isaac N . Ross . The regiment was recruited in Fairfield , Fayette , Hocking , Perry , Pickaway , and Vinton counties . The regiment was attached to 22nd Brigade , 4th Division , Army of the Ohio , September 1862 . 22nd Brigade , 4th Division , II Corps , Army of the Ohio , to November 1862 . 1st Brigade , 2nd Division , Left Wing , XIV Corps , Army of the Cumberland , to January 1863 . 1st Brigade , 2nd Division , XXI Corps , Army of the Cumberland , to October 1863 . 1st Brigade , 1st Division , IV Corps , Army of the Cumberland , to June 1865 . The 90th Ohio Infantry mustered out of service on June 13 , 1865 at Camp Dennison near Cincinnati , Ohio and was discharged on June 21 , 1865 . Detailed service . Ordered to Covington , Ky . , August 30 , thence to relief of Lexington September 1 . Retreat to Louisville , Ky . , September 2 – 15 . Pursuit of Bragg to London , Ky . , October 1 – 22 , 1862 . Battle of Perryville , Ky . , October 8 . At Glasgow , Ky . , until November 8 . March to Nashville , Tenn . , and duty there until December 26 . Advance on Murfreesboro , Tenn . , December 26 – 30 . Lavergne December 26 – 27 . Battle of Stones River December 30 – 31 , 1862 and January 1 – 3 , 1863 . Duty at Murfreesboro until June . Expedition to Woodbury April 2 . Tullahoma Campaign June 23 - July 7 . Occupation of middle Tennessee until August 18 . Passage of Cumberland Mountains and Tennessee River , and Chickamauga Campaign August 16 - September 22 . Lee and Gordon ' s Mills September 11 – 13 . Battle of Chickamauga September 19 – 20 . Siege of Chattanooga , September 24 - October 26 . Moved to Bridgeport , Ala . , October 26 , and duty there until January 24 , 1864 . At Coltewah , Tenn . , until May . Atlanta Campaign May 1 - September 8 . Tunnel Hill May 6 – 7 . Demonstrations on Rocky Faced Ridge and Dalton May 8 – 13 . Buzzard ' s Roost Gap May 8 – 9 . Battle of Resaca May 14 – 15 . Near Kingston May 18 – 19 . Near Cassville May 19 . Advance on Dallas May 22 – 25 . Operations on line of Pumpkin Vine Creek and battles about Dallas , New Hope Church and Allatoona Hills May 25 - June 5 . Operations about Marietta and against Kennesaw Mountain June 10 - July 2 . Pine Hill June 11 – 14 . Lost Mountain June 15 – 17 . Assault on Kennesaw June 27 . Ruff ' s Station , Smyrna Camp Ground , July 4 . Chattahoochie River July 5 – 17 . Peachtree Creek July 19 – 20 . Siege of Atlanta July 22 - August 25 . Flank movement on Jonesboro August 25 – 30 . Battle of Jonesboro August 31 - September 1 . Lovejoy ' s Station September 2 – 6 . Duty at Atlanta until October 3 . Operations against Hood in northern Georgia and northern Alabama October 3 - November 3 . Moved to Pulaski , Tenn . Nashville Campaign November – December . Columbia , Duck River , November 24 – 27 . Battle of Franklin November 30 . Battle of Nashville December 15 – 16 . Pursuit of Hood to the Tennessee River December 17 – 28 . Moved to Huntsville , Ala . , and duty there until March 1865 . Operations in eastern Tennessee March 15 - April 22 . Moved to Nashville , Tenn . , and duty there until June . Casualties . The regiment lost a total of 252 men during service ; 5 officers and 77 enlisted men killed or mortally wounded , 170 enlisted men died of disease .