12th Indiana Infantry Regiment ( 3 years ) The 12th Regiment Indiana Infantry was an infantry regiment in the Union Army during the American Civil War . Service . The 12th Indiana Infantry was organized at Indianapolis , Indiana May 27 through August 27 , 1862 and mustered in August 17 , 1862 for three year ' s service under the command of Colonel William H . Link . The regiment was attached to Cruft ' s Brigade , Army of Kentucky , August 30 . Attached to 2nd Brigade , District of Memphis , Tennessee , XIII Corps , to December 1862 . 1st Brigade , 1st Division , District of Memphis , XIII Corps , December 1862 . 1st Brigade , 1st Division , XVII Corps , Army of the Tennessee , to January 1863 . 1st Brigade , 1st Division , XVI Corps , to July 1863 . 1st Brigade , 4th Division , XV Corps , to September 1864 . 1st Brigade , 1st Division , XV Corps , to June 1865 . The 12th Indiana Infantry mustered out of service after June 24 , 1865 . Veterans and recruits were transferred to the 48th Indiana Infantry and 59th Indiana Infantry . Detailed service . Left Indiana for Kentucky August 21 . Battle of Richmond , Ky . , August 30 . Regiment mostly captured . Paroled and sent to Indianapolis , Ind . , for reorganization . Action at Lexington , Ky . , September 2 ( detachment ) . Regiment left Indianapolis , Ind . , for Memphis , Tenn . , November 23 , 1862 . Grant ' s Central Mississippi Campaign November – December 1862 . Action at Holly Springs , Miss . , December 20 , 1862 . Duty at Grand Junction and Colliersville , Tenn . , guarding Memphis & Charleston Railroad until June 1863 . Ordered to Vicksburg , Miss . , June 9 . Siege of Vicksburg June 12 - July 4 . Advance on Jackson , Miss . , July 4 – 10 . Siege of Jackson July 10 – 17 . Duty at Big Black until September 28 . Moved to Memphis , Tenn . , then marched to Chattanooga , Tenn . , September 28 - November 20 . Operations on the Memphis & Charleston Railroad in Alabama October 20 – 29 . Chattanooga Campaign November 23 – 27 . Tunnel Hill November 23 – 25 . Missionary Ridge November 25 . March to relief of Knoxville , Tenn . , November 28 - December 8 . Duty at Scottsboro , Ala . , until May 1864 . Atlanta Campaign May 1 - September 8 . Demonstrations on Resaca May 8 – 13 . Near Resaca May 13 . Battle of Resaca May 14 – 15 . Movements on Dallas May 18 – 25 . Battles about Dallas , New Hope Church , and Allatoona Hills May 25 - June 5 . Operations about Marietta and against Kennesaw Mountain June 10 - July 2 . Brush Mountain June 15 . Assault on Kennesaw June 27 . Nickajack Creek July 2 – 5 . Chattahoochee River July 5 – 17 . Battle of Atlanta July 22 . Siege of Atlanta July 22 - August 25 . Ezra Chapel , Hood ' s 2nd sortie , July 28 . 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 . March to the sea November 15 - December 10 . Siege of Savannah December 10 – 21 . Campaign of the Carolinas January to April 1865 . Reconnaissance to Salkehatchie River , South Carolina , January 25 . Salkehatchie Swamp February 2 – 5 . South Edisto River February 9 . North Edisto River February 12 – 13 . Congaree Creek February 15 . Columbia February 16 – 17 . Battle of Bentonville , N . C . , March 20 – 21 . Occupation of Goldsboro March 24 . Advance on Raleigh April 10 – 14 . Occupation of Raleigh April 14 . Bennett ' s House April 26 . Surrender of Johnston and his army . March to Washington , D . C . , via Richmond , Va . , April 29 - May 20 . Grand Review of the Armies June 24 , 1865 . Casualties . The regiment lost a total of 295 men ; 8 officers and 92 enlisted men killed or mortally wounded , 2 officers and 193 enlisted men due to disease .