April 30, 1862
On April 30, 1862, Major General Henry W. Halleck transferred Major General George H. Thomas from the Army of the Ohio to command the Army of the Tennessee in place of Major General Ulysses S. Grant who became Halleck's second-in-command.
SPECIAL FIELD ORDERS, No. 35.
HDQRS. DEPT. OF THE MISSISSIPPI,
Pittsburg Landing, Tenn., April 30, 1862.
I. Major-General Thomas' division is hereby transferred from the Army of the Ohio to the Army of the Tennessee, and General Thomas will take command of the right wing, which will consist of his own and the divisions of Brigadier Generals W. T. Sherman, T. W. Sherman, S. a. Hurlbut, and T. A. Davies.
II. The divisions of Major-General McClernand, Major-General Wallace, and one division from General Buell's army corps, to be designated to him, together with the heavy artillery, will constitute the reserve, to be commanded by Major-General McClernand.
III. Brigadier-General Hamilton's reserve division of Major-General Pope's army will remain under General Pope's direction until further orders.*
IV. Major-General Grant will retain the general command of the District of West Tennessee, including the Army Corps of the Tennessee, and reports will be made to him as heretofore, but in the present movements he will act as second in command under the major-general commanding the department.
Brigadier General T. W. Sherman is hereby assigned to the command of the;Sixth Division of General Grant's army, now commanded by General McKean.
By order of Major-General Halleck:
J. C. KELTON,
Assistant Adjutant-General.
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