Organized at St. Louis, Mo., August 12, 1863. Attached to District of Eastern Arkansas, Dept. Arkansas, to January, 1864. Little Rock, Ark., 7th Army Corps, Dept. Ark., to March, 1864.
SERVICE.--Ordered to Helena, Ark., and Post duty there and at Little Rock until March, 1864. Expedition from Helena up White River February 4-8, 1864, and up St. Francis River February 13-14.
Designation of Regiment changed to 56th U.S. Colored Troops March 11, 1864.