The One Hundred and Thirty-fifth Infantry Illinois Volunteers was mustered into the United States service at Mattoon, June 6, 1864. Strength, 852. Departed for the field June 10, 1864, and reported to General Rosencrans, at Benton Barracks. From thence five companies were detached and stationed at various points on the Iron Mountain Railroad and continued on duty until ordered home at the expiration of term of service. At the same time three companies were stationed at the Gasconade and two at the Osage Crossing of the Missouri Pacific Railroad where they remained a short time and were then stationed at Jefferson City, Mo., where they remained until the expiration of their term of service.

The Regiment was mustered out of service at Mattoon, September 28, 1864.

(See remarks which precede the roster of the One Hundred and Thirty-second Infantry for further history of the service of this Regiment)