[1] The headquarters was established at Fort Sheridan, Illinois, in August 1920, from portions of the former Central Department, but then moved to the U.S. Post Office Building at 1819 West Pershing Road in Chicago on 10 October 1921.

[1] The corps area covered the states of Wisconsin, Michigan and Illinois and Jefferson Barracks, Missouri.

[4] Paul Malone was promoted to major general and assumed command of the Sixth Corps Area in Chicago in 1928.

[7] "The responsibility of medical care for prisoners of war fell mainly upon the surgeons' offices of the Second, Fourth, Sixth, and Seventh Service Commands, since prisoner-of-war camps were concentrated in these areas.

[8] Surgeons of the service commands along the coast cooperated with medical men of the Navy and the Coast Guard, as well as with Army port surgeons, in attempting to maintain sanitary conditions in coastal areas and in receiving Army and prisoner-of-war patients evacuated from overseas."