The Eightieth Infantry Illinois Volunteers was organized at Centralia, Ill., in August 1862, by Colonel T.G. Allen, and mustered into United States' service August 25, 1862.

Ordered to Louisville, September 4, and was assigned to the Thirty-third Brigade, Tenth Division, Army of the Ohio, Brigadier General Terrell commanding Brigade; Brigadier General Jackson commanding Division, and Brigadier General McCook commanding Corps.

October 1, under General Buell, marched in pursuit of Bragg, and, passing through Taylorville, Bloomfield and Mackville, was engaged in the battle of Perryville, October 8, losing 14 killed and 58 wounded, including Lieutenant Von Kemmel killed Lieutenant Andrews mortally wounded, and Lieutenant Colonel Rodgers and Lieutenant Pace severely wounded. Generals Terrell and Jackson were also killed.

October 12, moved through Danville, Lebanon, and New Market, to Mumfordsville, October 31 and November 26, made two marches to Cave City and returned. November 30, moved via Glascow and Hartsville, to Bledsoe Creek. December 26, started in pursuit of John Morgan, marching via Scottsville and Glasgow, to Bear Wallow, arriving December 31.

January 2, 1863, having discontinued the pursuit of John Morgan, marched to Cave City, Bowling Green and Nashville Tenn., January 8, and Murfreesboro, January 10.

Was assigned to the Fourteenth Army Corps, General J.J. Reynolds' Division.

March 20, the Brigade of 1,500 men and two pieces of artillery, while on a scout, was attacked by John Morgan and 5,000 of the enemy; but they were repulsed, with heavy loss.

April 7, moved to Nashville, and was assigned to Brigade of Colonel A.D. Streight, Fifty-first Indiana Volunteers. Brigade, consisting of Fifty-first and Seventy-third Indiana, Third Ohio, Eightieth Illinois, and two companies if Tennessee cavalry, with two mountain howitzers, embarked, moving down the Cumberland and up the Tennessee rivers, and landed at Eastport, Miss., April 19.

Marched to Tuscumbia, where the regiment was mounted. April 26, moved from Tuscumbia. Were attacked at Dug's Gap and Sand Mountain, but, on both occasions repulsed the enemy, and, at Sand Mountain, captured a battery of two funs. Loss in the regiment, two killed and sixteen wounded. Captain E.R. Jones killed, Adjutant J.C. Jones mortally wounded, and Lieutenant Pavey severely wounded.

At Blunt's farm, May 2, again defeated the enemy, and, May 3, was surrendered to a vastly superior force, under General Forrest, who, contrary to stipulation, stole its blankets, watches and money. We were taken to Rome, and paroled and sent in coal cars to Atlanta. From this place the officers were sent to Libby prison. The enlisted men were sent via Knoxville, Tenn., and Lynchburg, VA., to Richmond, arriving May 13, and thence to Point City, arriving at Annapolis May 17. On the 19th, moved to Camp Chase., O.

On June 28, having been declared exchanged, moved to St. Louis. On 29th, moved to Nashville, Tenn., Lieutenant Herman Steinecke taking command of the regiment, Colonel T.G. Allen having resigned and Lieutenant Colonel A.F. Rodgers and Major E.N. Bates being prisoners of war.

September 8, moved to Stevenson Ala., Captain Cunningham taking command, October 16, moved to Battle Creek, Tenn., 23d, marched to Bridgeport and reported to General Howard, commanding Eleventh Army Corps. Was assigned to Third Brigade, Colonel Hecker, Third Division, General Carl Shurz. On 27th, moved up to Lookout Valley, and was present at the battle of Wauhatchie.

November 24 and 25, was engaged in the battle of Mission Ridge.

On the 29th, commenced march to Knoxville, Tenn., reaching Louisville, 14 miles from Knoxville, December 5. Longstreet having retreated, the command returned, arriving at Lookout Valley December 17. This march was made without wagons, tents or baggage, and rations were foraged from the country. The command suffered from want of clothing and shoes.

On the 24th of December, was assigned to Third Brigade, Colonel William Grose, Thirty-sixth Indiana; First Division, General D.S. Stanley; Fourth Corps, Major General Gordon Granger commanding.

January 27, 1864, moved from Whiteside, via Chattanooga and Cleveland to Charleston Tenn., and thence to Blue Springs.

May 3, 1864, commenced the Atlanta Campaign. Participated in the battles of Dalton, Resaca, Adairsville, Cassville, Dallas, Pine Mountain, Kenesaw Mountain, Marietta, Peach Tree Creek, Atlanta, Jonesboro and Lovejoy Station. During the campaign the regiment captured about 150 prisoners, and lost 25 killed and 60 wounded.

Camped at Atlanta, September 9, Marched, October 3, in pursuit of Hood to Allatoona, and via Kingston to Rome; thence to Galesville, Ala., thence via Alpine, Fayette and Rossville to Chattanooga, arriving October 30. Moved to Athens, Ala. 7th, Major E.N. Bates, having returned, assumed command.

December 15 and 16, participated in the battle of Nashville, and captured a three gun battery and 100 prisoners. January 5, arrived at Huntsville, Ala., 7th, Major E.N. Bates, having returned, assumed command.

March 12, moved to Knoxville, Tenn.; thence to Bull's Gap and Shield's Mill, March 28. Moved to Greenville, April 1, and from thence returned to Nashville.

June 10, 1865, mustered our of service, and proceeded to Camp Butler, Ill., for final pay and discharge.

Only four of the captured officers ever returned to the regiment. The remainder being help as prisoners until March 1, 1865 when they were paroled for exchange.

The Eightieth has traveled 6,000 miles, and has been in over twenty battles.