Constituted 5 August 1917 as the 79th Division.
Organized 25 August 1917 at Camp Meade, Maryland.
Inactivated 2 June 1919 at Camp Dix, New Jersey.
Activated in November 1921 with headquarters at Philadelphia, Pennsylvania.
Ordered into active military service 15 June 1942 and reorganized at Camp Pickett, Virginia.
Redesignated 1 August 1942 as the 79th Infantry Division.
Inactivated 11 December 1945 at Camp Kilmer, New Jersey.
Activated 14 November 1946 with headquarters at Philadelphia, Pennsylvania.
Major General Ira T. Wyche Assumed command June 1942
Headquarters, 79th Infantry Division
Headquarters Company, 79th Infantry Division
79th Cavalry Reconnaissance Troop
304th Engineer Combat Battalion
313th Infantry Regiment
314th Infantry Regiment
315th Infantry Regiment
Headquarters and Headquarters Battery, Division Artillery
310th Field Artillery Battalion
311th Field Artillery Battalion
312th Field Artillery Battalion
904th Field Artillery Battalion
Headquarters, Special Troops
304th Medical Battalion
779th Ordnance Light Maintenance Company
79th Signal Company
79th Quartermaster Company
Normandy, Northern France, Rhineland, Ardennes-Alsace, Central Europe