86th Indiana Infantry Regiment The 86th Regiment Indiana Infantry was an infantry regiment that served in the Union Army during the American Civil War . Service . The 86th Indiana Infantry was organized at Lafayette , Indiana and mustered in for a three year enlistment on September 4 , 1862 under the command of Colonel Orville S . Hamilton . The regiment was attached to 14th Brigade , 5th Division , Army of the Ohio , September 1862 . 14th Brigade , 5th Division , II Corps , Army of the Ohio , to November 1862 . 2nd Brigade , 3rd Division , Left Wing , XIV Corps , Army of the Cumberland , to January 1863 . 2nd Brigade , 3rd Division , XXI Corps , Army of the Cumberland , to October 1863 . 3rd Brigade , 3rd Division , IV Corps , Army of the Cumberland , to June 1865 . The 86th Indiana Infantry mustered out of service on June 6 , 1865 . Detailed service . Ordered to Cincinnati , Ohio , September 5 , thence to Covington , Ky . , and to Louisville , Ky . , September 30 . Duty there until October 1 . Pursuit of Bragg to London , Ky . , October 1 – 22 , 1862 . Battle of Perryville , Ky . , October 8 ( reserve ) . March to Nashville , Tenn . , October 22 - November 7 , and duty there until December 26 . Advance on Murfreesboro December 26 – 30 . Battle of Stones River December 30 – 31 , 1862 and January 1 – 3 , 1863 . Duty at Murfreesboro until June . Tullahoma Campaign June 23 - July 7 . Occupation of middle Tennessee until August 16 . Passage of the Cumberland Mountains and Tennessee River and Chickamauga Campaign August 16 - September 22 . Battle of Chickamauga September 19 – 20 . Siege of Chattanooga September 24 - November 23 . Chattanooga - Ringgold Campaign November 23 – 27 . Orchard Knob November 23 – 24 . Missionary Ridge November 25 . Pursuit to Graysville November 26 – 27 . March to relief of Knoxville November 28 - December 8 . Operations in eastern Tennessee December 1863 to April 1864 . Atlanta Campaign May 1 to September 8 . Demonstrations on Rocky Faced Ridge and Dalton May 8 – 13 . Battle of Resaca May 14 – 15 . Adairsville May 17 . Near Kingston May 18 – 19 . Near Cassville May 19 . Cassville May 24 . Operations on line of Pumpkin Vine Creek and battles about Dallas , New Hope Church and Allatoona Hills May 25 - June 5 . Pickett ' s Mills May 27 . 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 or Neal Dow 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 . Operations against Hood in northern Georgia and northern Alabama September 29 - November 3 . Nashville Campaign November – December . Columbia , Duck River , November 24 – 27 . Columbia Ford November 29 . 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 . Expedition from Whitesburg February 17 , 1865 . Operations in eastern Tennessee March 15 - April 22 . At Nashville until June . Casualties . The regiment lost a total of 249 men during service ; 2 officers and 70 enlisted men killed or mortally wounded , 1 officer and 176 enlisted men died of disease .