Military district in the Department of the Tennessee that included Paducah, Kentucky and all of Kentucky and Tennessee west of the Tennessee River and north of a line running from Big Sandy west through Paris, Tennessee to the Obion River, and then along that river to the Mississippi River. Principal posts in the district were Columbus, Clinton, and Hickman in Kentucky; Cairo, Illinois; Fort Pillow and Fort Heiman in Tennessee; and Island Number 10 in the Mississippi River. The district was discontinued in early 1864, only to be revived and then permanently dissolved in July of that year. Commander(s): Brigadier General Thomas A. Davies, Brigadier General Alexander Asboth, Brigadier General Andrew J. Smith, and Brigadier General Henry Prince.