Organized at Indianapolis, Ind., and mustered in August 20, 1862. Ordered to Louisville, Ky., September. Attached to Artillery, 12th Division, Army of the Ohio, to November, 1862. Artillery, 5th Division (Center), 14th Army Corps, Army of the Cumberland, to January, 1863. Artillery, 5th Division, 14th Army Corps, Army of the Cumberland, to June, 1863. Artillery, 4th Division, 14th Army Corps, June, 1863. Artillery, Wilder's Mounted Brigade, Army of the Cumberland, to November, 1863. 3rd Brigade, 2nd Cavalry Division, Army of the Cumberland, to January, 1864. Artillery, 1st Cavalry Division, Army of the Cumberland, to October, 1864. Artillery, 1st Division, Wilson's Cavalry Corps, Military Division, Mississippi, to June, 1865.

Captain Eli Lilly, Eighteenth Indiana Light Artillery Battery.  

        SERVICE.--Campaign against Bragg in Kentucky October 3-26, 1862. March to Bowling Green, Ky., October 26-November 3, thence to Scottsboro, Ky., and Gallatin, Tenn., November 11-26. Pursuit of Morgan December 22, 1862-January 2, 1863. Moved to Murfreesboro, Tenn., January 2-8, 1863, and duty there till June. Expedition to Auburn, Liberty and Alexandria February 3-5. Expedition to Woodbury March 3-8. Expedition to Lebanon, Carthage and Liberty April 1-8. Expedition to McMinnville April 20-30. Middle Tennessee (or Tullahoma) Campaign June 23-July 7. Hoover's Gap June 24-26. Occupation of Middle Tennessee till August 16. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Bombardment of Chattanooga August 21. Ringgold, Ga., September 11. Lee and Gordon's Mills September 11. Leet's Tan Yard or Rock Springs September 12-13. Alexander's and Reed's Bridges September 17. Battle of Chickamauga September 19-21. Operations against Wheeler and Roddy September 30-October 17. Hill's Gap, Thompson's Cove, near Beersheba, October 3. Murfreesboro Road October 4. McMinnville October 4-5. Farmington October 7. Moved to Huntsville, Ala., and duty there till November. Moved to relief of Knoxville, Tenn., November 28-December 8. Dandridge December 24. Operations about Dandridge and Mossy Creek December 24-28. Mossy Creek Station December 26. Talbot's Station December 28. Mossy Creek, Talbot's Station, December 29. Operations about Dandridge January 16-17, 1864. Bend of Chucky River, near Dandridge, January 16. Dandridge January 17. Operations about Dandridge January 26-28. Near Fair Garden January 27. Atlanta (Ga.) Campaign May 1-September 8. Demonstrations on Dalton, Ga., May 9-13. Tilton May 13. Battle of Resaca May 14-15. Cassville May 19. Statesborough May 23. Burnt Hickory May 24. Battles about Dallas, New Hope Church and Allatoona Hills May 25-JUNE 5. Ackworth June 8. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Lost Mountain June 15-17. Assault on Kenesaw June 27. Chattahoochie River July 5-17. Siege of Atlanta July 22-August 25. McCook's Raid on Atlanta & West Point R.R. July 27-31. Lovejoy Station July 29. Newnan's July 30-31. Flank movement on Jonesboro August 25-30. Pursuit of Wheeler September 24-October 18. Ordered to Louisville, Ky., and duty there refitting till December. Pursuit of Lyons from Paris, Ky., to Hopkinsville, Ky., December 8-January 15, 1865. Hopkinsville, Ky., December 16, 1864. Moved to Nashville, Tenn. Duty there till February 1865, and at Waterloo, Ala. till March. Wilson's Raid to Macon, Ga., March 22-April 24. Selma, Ala., April 2. Montgomery April 12. Fort Tyler, West Point, April 16. Capture of Macon April 20. Duty at Macon, Chattanooga and Nashville till June. Mustered out June 23, 1865.

        Battery lost during service 1 Officer and 11 Enlisted men killed and mortally wounded and 31 Enlisted men by disease. Total 43.

Frederick H. Dyer, A Compendium of the War of Rebellion, 1908