| 100th Infantry Division "Century" |
Divisional
information
History
| Constituted | 23.07.1918 |
| Organized | 00.10.1918 |
| Demobilized | 30.11.1918 |
| Reconstituted | 24.06.1921 (in the Reserves) |
| Organized | 27.09.1921 |
| Into active military service | 15.11.1942 |
| Inactivated | 11.01.1946 |
Commanding General (CG)
| 15.11.1942 | Maj.-Gen. Withers A. Burress |
| 22.09.1945 | Brig.-Gen. Andrew C. Tychsen |
Assistant Division Commander
| 15.11.1942 | Brig.-Gen. Maurice L. Miller |
| 19.12.1944 | Brig.-Gen. John S. Winn (Jr.) |
| 04.01.1945 | Col. Andrew C. Tychsen |
| 12.04.1945 | Brig.-Gen. Andrew C. Tychsen |
Artillery Commander
| 00.10.1943-13.08.1945 | Brig.-Gen. John B. Murphy |
| 15.11.1942-00.10.1943 & 13.08.1945-00.11.1945 | Brig.-Gen. Theodore E. Buechler |
Chief of Staff
| 20.10.1944 | Col. Richard G. Prather |
Assistant Chief of Staff G-1 (Personnel)
| 20.10.1944 | Maj. William V. Rawlings |
| 01.12.1944 | Lt. Col. William V. Rawlings |
Assistant Chief of Staff G-2 (Operations & Training)
| 20.10.1944 | Lt. Col. Paul S. Reinecke (Jr.) |
Assistant Chief of Staff G-3 (Intelligence)
| 20.10.1944 | Lt. Col. Kenneth E. Eckland |
Assistant Chief of Staff G-4 (Supply & Evacuation)
| 20.10.1944 | Lt. Col. Robert M. Stegmaier |
Adjutant General
| 20.10.1944 | Lt. Col. Byron C. De La Mater |
Divisional troops
Infantry
| 397th Infantry Regiment | 15.11.1942-10.01.1946 |
| 398th Infantry Regiment | 15.11.1942-08.01.1946 |
| 399th Infantry Regiment | 15.11.1942-29.01.1946 |
Field Artillery
(FA)
| 373rd FA Battalion (155mm) | 15.11.1942-12.01.1946 |
| 374th FA Battalion (105mm) | 15.11.1942-12.01.1946 |
| 375th FA Battalion (105mm) | 15.11.1942-12.01.1946 |
| 925th FA Battalion (105mm) | 15.11.1942-11.01.1946 |
Other
troops
| 325th Medical Battalion | 00.00.0000-00.00.0000 |
| 325th Engineer Combat Battalion | 15.11.1942-14.01.1946 |
| 100th Infantry Division Hq Company | 15.11.1942-10.01.1946 |
| 100th Quartermaster Company | 00.00.0000-00.00.0000 |
| 100th Signal Company | 00.00.0000-00.00.0000 |
| 800th Ordnance Light Maintenance Company | 08.10.1942-11.01.1946 |
| 100th Reconnaissance Troop (Mechanized) | 15.11.1942-11.01.1946 |
| 100th MP Platoon | 00.00.0000-00.00.0000 |
| 100th Divisional Band | 00.00.0000-00.00.0000 |
Attachments
Anti-Aircraft Artillery (AAA)
| 898th AAA Battalion | 07.11.1944-11.05.1945 |
| 1st Platoon, 5th AAA Company | 21.11.1944-24.11.1944 |
Armor
| A Company, 753rd Tank Battalion | 07.11.1944-26.11.1944 |
| 1st Platoon, D Company, 753rd Tank Battalion | 07.11.1944-26.11.1944 |
| A Company, 47th Tank Battalion, 14th Armored Division | 03.12.1944-06.12.1944 |
| 781st Tank Battalion | 07.12.1944-21.12.1944 & 23.02.1945-23.04.1945 |
| A Company, 23rd Tank Battalion, 12th Armored Division | 01.01.1945-07.01.1945 |
| B Company, 749th Tank Battalion | 08.01.1945-18.01.1945 |
Chemical
| A & C Company, 83rd Chemical Mortar Battalion | 07.11.1944-26.11.1944 |
| D Company, 99th Chemical Mortar Battalion | 02.12.1944-03.12.1944 |
| 2nd Chemical Mortar Battalion | 03.12.1944-23.12.1944 & 15.03.1945-22.03.1945 |
| 99th Chemical Mortar Battalion | 21.03.1945-25.03.1945 |
| C Company, 83rd Chemical Mortar Battalion | 31.03.1945-24.04.1945 |
| 163rd Chemical Mortar Company | 05.04.1945-24.04.1945 |
| 69th Chemical Mortar Company | 06.04.1945-24.04.1945 |
| B Company, 83rd Chemical Mortar Battalion | 09.04.1945-20.04.1945 |
Engineers
| 157th Engineers Battalion | 17.03.1945-20.03.1945 |
Field Artillery
(FA)
| 69th Armored FA Battalion | 08.11.1944-26.11.1944 |
| 495th Armored FA Battalion (12th Armored Division) | 05.12.1944-06.12.1944 & 02.01.1945-07.01.1945 |
| 250th FA Battalion (105mm) | 05.12.1944-31.12.1944 & 01.03.1945-19.03.1945 |
| 131st FA Battalion, 36th Division (105mm) | 01.01.1945-04.01.1945 & 18.01.1945-23.01.1945 |
| 40th Armored FA Battalion | 07.01.1945-18.01.1945 |
| 377th Parachute FA Battalion, 101st Airborne Battalion | 25.01.1945-28.01.1945 |
| 342nd Armored FA Battalion | 11.02.1945-23.02.1945 & 28.02.1945-13.03.1945 |
| 991st FA Battalion (155mm) | 12.03.1945-16.03.1945 |
| 802nd FA Battalion (105mm) | 21.03.1945-30.03.1945 |
| 18th FA Battalion (105mm) | 21.03.1945-30.03.1945 |
| 242nd FA Battalion (105mm) | 31.03.1945-24.04.1945 |
Infantry
| 255th Infantry Regiment, 63rd Division | 31.12.1944-19.01.1945 |
| 141st Infantry Regiment, 36th Division | 01.01.1945-04.01.1945 & 18.01.1945-23.01.1945 |
| 274th Infantry Regiment, 70th Division | 29.01.1945-09.02.1945 |
| 254th Infantry Regiment, 63rd Division | 09.02.1945-18.02.1945 |
| 5th Infantry Regiment, 71st Division | 11.03.1945-14.03.1945 |
| 66th Infantry Regiment, 71st Division | 12.03.1945-14.03.1945 |
Reconnaissance (Recon)
| 117th Cavalry Recon Squad | 07.11.1944-26.11.1944 & 18.04.1945-23.04.1945 |
| 36th Recon Troop, 36th Division | 18.01.1945-23.01.1945 |
Tank
Destroyer
| B Company, 636th Tank Destroyer Battalion (SP) | 07.11.1944-26.11.1944 |
| 824th Tank Destroyer Battalion (SP) | 26.11.1944-24.04.1945 |
| 1st Platoon, A Company, 776th Tank Destroyer Battalion (SP) | 08.01.1945-12.01.1945 |
| B Company, 776th Tank Destroyer Battalion (SP) | 09.01.1945-18.01.1945 |
Assignments
| 20.11.1944 | 6th Army Group |
| 01.11.1944 | VI Corps, 7th Army, 6th Army Group |
| 27.11.1944 | XV Corps, 7th Army, 6th Army Group |
| 22.03.1945 | XXI Corps, 7th Army, 6th Army Group |
| 25.03.1945-25.04.1945 | VI Corps, 7th Army, 6th Army Group |
Detachments
| Unit | Attached to |
| 100th Reconnaissance Troop | 45th Division | 28.11.1944-05.12.1944 |
| 399th Infantry Regiment | 45th Division | 02.11.1944-09.11.1944 |
| 398th Infantry Regiment | 45th Division | 06.11.1944-09.11.1944 |
| 397th Infantry Regiment | 45th Division | 06.11.1944-09.11.1944 & 28.11.1944-05.12.1944 |
| E Company, 398th Infantry Regiment | 3rd Division | 17.11.1944-18.11.1944 |
| 3rd Battalion, 398th Infantry Regiment | 10th Armored Division | 03.04.1945-04.04.1945 |
| Site design & initiative: | Hans Houterman |
| Site created by: | Jeroen Koppes |
| Last update: | 20.03.2002 - JCK |