Constituted 18 July 1917 as the 31st Division.
Organized 25 August 1917 at Camp Wheeler, Georgia.
Inactivated 14 January 1919 at Camp Gordon, Georgia.
Activated 15 October 1924 with headquarters at Saint Augustine, Florida.
Ordered into federal service 25 November 1940 at Birmingham, Alabama.
Reorganized and redesignated 27 February 1942 as the 31st Infantry Division.
Inactivated 21 December 1945 at Camp Stoneman, California.
Activated 1 November 1946 with headquarters at Birmingham, Alabama.
COMMANDERS IN COMBAT
Major General John C. Parsons - Assumed command November 1940
Major General Clarence A. Martin - Assumed command September 1944
ORDER OF BATTLE
Headquarters, 31st Infantry Division
Headquarters Company, 31st Infantry Division
31st Cavalry Reconnaissance Troop
106th Engineer Combat Battalion
124th Infantry Regiment
155th Infantry Regiment
167th Infantry Regiment
Headquarters and Headquarters Battery, Division Artillery
114th Field Artillery Battalion
116th Field Artillery Battalion
117th Field Artillery Battalion
149th Field Artillery Battalion
Headquarters, Special Troops
106th Medical Battalion
731st Ordnance Light Maintenance Company
31st Signal Company
31st Quartermaster Company
WORLD WAR II CAMPAIGN PARTICIPATION
New Guinea (with arrowhead), Southern Philippines, Western Pacific