06/19/1867
https://www.presidency.ucsb.edu...
"Brevet Major-General Edward R. S. Canby is hereby assigned to the command of the Second Military District, created by the act of Congress of March 2, 1867, and of the Military Department of the South,..."
"On being relieved from the command of the Department of the Missouri by Major-General P. H. Sheridan, Major-General Hancock will proceed directly to New Orleans, La., and, assuming the command to whic..."
"By virtue of the power and authority vested in me as President by the Constitution and laws of the United States, you are hereby suspended from office as Secretary of War, and will cease to exercise a..."
"You will at once transfer to General Ulysses S. Grant, who has this day been authorized and empowered to act as Secretary of War ad interim, all records, books, and other property now in your custody ..."