This Regiment was called into the State service under the "Ten Regiment Bill." It rendezvoused at Mattoon on the 9th day of May, 1861. On the 15th day of May it was mustered into the State service for thirty days by Captain U.S. Grant, and was known during that period of service as the Seventh Congressional District Regiment. It was composed of companies from the following counties: Company A from Macon, B from Cumberland, C from Piatt, D from Douglas, E from Moultrie, F from Edgar, G from Clay, H from Clark, I from Crawford, and K from Jasper.
On the 28th of June the Regiment was mustered into the United States service for three years, by Captain Pitcher, U.S.A., with U.S. Grant as Colonel. Colonel Grant continued in command of the Regiment until the 7th of August, when he was commissioned by the President Brigadier General of Volunteers, to date from May 17, 1861, when he assumed command of the District of Southeast Missouri, with headquarters at Cairo. We append a memorandum made by that great captain, who fought his last fight on earth at 8:08 A.M., Thursday, August 23, 1885, at Mount McGregor, New York:
Lieutenant Colonel John W.S. Alexander assumed command of the Regiment at the promotion of Colonel Grant.
After the arrival of the Regiment at Ironton, it remained in camp several weeks receiving instruction in company and battalion drill; made reconnoissance with the Twenty-fourth Illinois Infantry as far as Marble Creek, in the direction of Greenville, where the Rebel General Hardee was discovered with a large force; went into camp at Marble Creek; remained about two weeks. On the 23d of August, Lieutenant Colonel John W.S. Alexander was unanimously elected Colonel by the line officers of the Regiment, vice Grant, promoted. Returned to Ironton, where the Regiment remained until October 17, when it marched to Fredericktown; supporting Walker's Squadron of the First Indiana Cavalry; discovered the Rebel Jeff. Thompson in force; returned to Ironton; on the 20th, with the Thirty-eighth Illinois Infantry and First Indiana Cavalry, marched to Fredericktown, arriving on the morning of October 21st, and participated in the battle at that place. Returned to Ironton and remained there until January 29, 1862; marched to Greenville; remained there until March, and from thence moved to Riv's Station, on Black River, arriving there March 11 or 12. Here the troops, consisting of Twenty-first, Thirty-third and Thirty-eighth Illinois Infantry, Eleventh Wisconsin Infantry, Fifth, Seventh and Ninth Illinois Cavalry, First Indiana Cavalry, and Sixteenth Ohio Battery, were organized into the Division of Southeast Missouri, under command of Brigadier General F. Steele. First Brigade, Colonel Carlin commanding, consisted of Twenty-first and Thirty-eighth Illinois Infantry, Fifth Illinois Cavalry, and Sixteenth Ohio Battery.
March 31, moved from Rives' Station to Doniphan. April 17, crossed current river, 21st, reached Pocahontas, Arkansas.
April 30, marched for Jacksonport, Arkansas, arriving May 4.
May 10, the Twenty-first and Thirty-eighth were ordered to Cape Girardeau, Missouri, 220 miles distant. This march was made in ten days, a day and a half of which time was spent in fettying Black and Current rivers. Arrived at Cape Girardeau May 21. On this day the two columns, under Jeff. C. Davis and Colonel Carlin, were marching on converging roads, each striving for the right of way at intersections. Carlin's column gained the right of way; his advance guard. being under Lieutenant Vance, of the Twenty-first Infantry, marched 28 miles, by mile posts, in six hours and thirty minutes. Arrived at Hamburg Landing May 24. Moved to the front, and were before Corinth during the last days of the siege--in Second Brigad Fourth Division Left Wing, Army of Mississippi, Colonel Carlin commanding Brigade, Brigadier General Jeff. C. Davis commanding Division, and Major General John Pope commanding Army of Mississippi.
Marched to Danville, Booneville, back to Corinth, and to Jacinto. During the last of June, marched to Ripley, and returned by forced marches, arriving July 4, 1862. Remained in camp until August 14, when marched with the Division to join the Army of the Ohio, under General Buel. Passing through Iuka, Mississippi, crossed the Tennessee at Eastport; thence marched, via Florence, Alabama, Lawrenceburg, Mr. Pleasant, Columbia, Franklin, Murfreesboro and Nashville, Tennessee, Bowling Green, Mumfordsville, Elizabethtown and West Point, Kentucky, arriving at Louisville, Kentucky, September 26, 1862, having marched night and day, about 500 miles.
October 1, marched from Louisville, in the Thirty-first Brigade, Ninth Division, Army of the Ohio--Colonel Carlin commanding Brigade, and General Robert B. Mitchell commanding Division.
October 8, engaged in battle of Perryville and Chaplin Hill. Company F, Captain David Blackburn, was the first in Perryville. Was honorably mentioned in General Mitchell's report of the battle. Joined in pursuit of Bragg as far as Crab Orchard, and then marched through Lancaster, Danville, Lebanon and Bowling Green, to Edgefield Junction, near Nashville, arriving November 9.
When the army marched from Nashville, December 26, 1862, this Regiment formed a part of the Second Brigade, First Division, Twentieth Army Corps, and was in the skirmish at Knob Gap. December 30, in connection with the Fifteenth Wisconsin, Thirty-eighth Illinois, and One Hundred and First Ohio, charged the famous Washington (Rebel) Light Artillery, 12 Parrott guns, and succeeded in driving every man from the battery, when it was compelled to fall back by a Division of Rebel Infantry. During the battle of Murfreesboro it was fiercely engaged, and did gallant duty, losing more men than any Regiment engaged. The Twenty-first was with General Rorescran's army from Murfreesboro to Chattanooga. Was engaged in a severe skirmish at Liberty Gap, June 25, 1863.
Marched through Manchester and camped at Winchester, Tenn. August 17th, 1863, crossed the Cumberland Mountains to Stevenson, Ala. 30th, crossed the Tennessee River at Caperton's Ferry. Crossed Sand Mountain and camped in Will's Valley. September 9th, crossed Lookout Mountain, and camped in Broomtown Valley, about 50 miles south of Chattanooga.
September 13th and 14th, recrossed Lookout Mountain to Will's Valley. 16th, ascended Lookout Mountain and marched 25 miles on the top, to Stevens' Gap. 17th, entered McLemore's Cave, and laid in line of battle before Dug Gap, in Pigeon Mountains. 17th, at dark, moved to the left to Pond Springs. 19th, marched past Crawfish Springs, and entered the battle of Chickamauga near Gordon's Mills. Double quicking, a line was formed under fire, and was hotly engaged till dark. September 20, was moved to the left. Went into position at 10 A.M. and was heavily engaged. The enemy pressing through a gap made by the withdrawal of General Wood's Division, forced the line back, and the Brigade narrowly escaped capture. Was reformed on the hills in the rear of the battle ground, and marched toward Rossville. Was then marched toward the right where General Thomas was continuing the fight. After dark returned to Rossville.
Losses in the battle of Chickamauga, September 19th and 20th--238 officers and men. Among the officers killed were Colonel Alexander and Lieutenant Weitzell, Company K; Captain Frank Reed, Company D, and Captain Andrew George, Company G, were mortally wounded; Captain Harlan, Company H, Lieutenant Austin, Company H, and Lieutenant Hunter, Company F, were wounded; Lieutenant Colonel McMackin, Captain Welshimer, Company B, Lieutenant McKeen, Company H, and Lieutenant Songer, Company G, were captured.
Colonel Alexander being killed, and Lieutenant Colonel McMackin captured, Captain C.K. Knight took command of the Regiment.
After the battle of Chickamauga the Twenty-first was attached to First Brigade, First Division, Fourth Army Corps, and remained at Bridgeport, Ala., October, November and December.
In January, 1864, marched to Ooltewah, east of Chattanooga, where the Regiment remained until March, when it re-enlisted, and after a month's furlough in Illinois, rejoined the army in front of Kenesaw Mountain. July 5th, reached the Chattahoochie River. 12th, crossed the Chattahoochie at Power's Ferry. 20th, crossed Peach Tree Creek. 21st, engaged at outer lines before Atlanta. 22d, threw up works before Atlanta. 26th, moved to works protecting rear and left of the lines. August 1st, the Corps relieved the Twenty-third Corps, on the left. August 25th, withdrew from the lines in the night. 31st, on railroad below Rough and Ready. September 1st, engaged in the battle of Jonesboro. September 2d, moved to Lovejoy and threw up works on the left of the lines. 8th, camped at Atlanta.
October 3rd, marched in pursuit of Hood, via Marietta, Ackworth and Allatoona, to Kingston, thence to Rome, Resaca, Ship's Gap, Summerville, to Gaylorsville, Ala., and after halting a few days, marched to Chattanooga, arriving October 30th, 1864.
October 31st, the Brigade started as escort to wagon train of Fourth Corps, for Huntsville, the remainder of the Corps going by rail. Passing through Shell Mound, Bridgeport and Stevenson, crossed Cumberland Mountain at Tantallon. Passed through Cowan, Decherd, Winchester, Salem and Fayetteville, rejoined the Corps at Pulaski, Tenn., November 12th, 1864.
Arrived at Columbia, Tenn., November 24th. November 25th and 26th, threw up works and skirmished with the enemy. 27th, crossed Duck River in the night. 28th, threw up works opposite the ford. 29th, moved and threw up works on the left flank. Withdrew in the night and marched through Spring Hill, passing a large rebel camp. Marched alongside the train to Franklin, with rebel cavalry on the flanks.
30th, entered Franklin. About half past four the enemy advanced, driving in our skirmishers, but were driven back by the main line. Withdrew at midnight, and crossing the Harpeth River, reached Nashville. December 1st, occupied in building fortifications and doing outpost duty. 15th, was placed in position near the Hardin pike, and at four o'clock P.M. were in the charge on Montgomery Hill, and among the first to enter the enemy's works, capturing battery and many prisoners. 16th, was in the reserve line, and joined in pursuit when the enemy's line was broken. Was in pursuit to Lexington, Ala. Marched to Huntsville, arriving January 5th, 1865. Remained at Huntsville until March 13th, 1865.
March 13th, proceeded by rail to Strawberry Plains, East Tennessee. 24th, moved to Lick Creek, near Bull's Gap. April 3, Brigade was ordered on an expedition to Ashville, North Carolina. Returned 11th. 20th, took cars for Nashville. June 7, the non-veteran regiments having been mustered out, the Twenty-first and Thirty-eighth Illinois were assigned to Second Brigade, First Division, Fourth Army Corps, the Brigade also containing Ninth, Thirtieth, and Thirty-fifth Indiana Veteran Volunteers, Colonel J.C.B. Leeman, commanding Frigade.
The Fourth Army Corps was sent to Texas by way of New Orleans; camped two weeks on old battle
ground at New Orleans; embarked on vessel for Matagorda Bay; disembarked for Victoria, thence to San
Antonia, where the Regiment was mustered out December 16, 1865. Arrived at Camp Butler, January 18,
1866, for final payment and discharge.