Constituted 18 July 1917 as the 33rd Division.
Organized 27 August 1917 at Camp Logan, Texas.
Inactivated 6 June 1919 at Camp Grant, Illinois.
Activated 19 July 1927 with headquarters at Chicago, Illinois.
Ordered into federal service 5 March 1941 at Chicago, Illinois.
Reorganized and redesignated 21 February 1942 as the 33rd Infantry Division.
Inactivated 5 February 1946 in Japan.
Activated 7 November 1946 with headquarters at Chicago, Illinois.
COMMANDERS IN COMBAT
Major General John Millikin - Assumed command August 1942
Major General Percy W. Clarkson - Assumed command October 1943
ORDER OF BATTLE
Headquarters, 33rd Infantry Division
Headquarters Company, 33rd Infantry Division
33rd Cavalry Reconnaissance Troop
108th Engineer Combat Battalion
123rd Infantry Regiment
130th Infantry Regiment
136th Infantry Regiment
Headquarters and Headquarters Battery, Division Artillery
122nd Field Artillery Battalion
123rd Field Artillery Battalion
124th Field Artillery Battalion
210th Field Artillery Battalion
Headquarters, Special Troops
108th Medical Battalion
733rd Ordnance Light Maintenance Company
33rd Signal Company
33rd Quartermaster Company
WORLD WAR II CAMPAIGN PARTICIPATION
New Guinea, Luzon