Assignments in the European Theater of Operations
World War II:
The 84th Infantry Division was activated on 15 October 1942. It embarked (went overseas) on 20 September 1944. It arrived in the United Kingdom on 1 October 1944, and trained.
Holland and Germany
It landed on Omaha Beach, 1–4 November 1944, and moved to the vicinity of Gulpen, the Netherlands, 5–12 November. The Division entered combat, 18 November, with an attack on Geilenkirchen, Germany, as part of the larger offensive in the Roer Valley, north of Aachen. Taking Geilenkirchen, as part of Operation Clipper on 19 November, the Division pushed forward to take Beeck (Geilenkirchen) and Lindern in the face of heavy enemy resistance, 29 November.
Belgium and back in Germany
After a short rest, the Division returned to the fight, taking Wurm and Würm (Geilenkirchen), Mullendorf, 18 December, before moving to Belgium to help stem the German winter offensive.Battling in snow, sleet, and rain, the Division threw off German attacks, recaptured Verdenne, 24–28 December, took Beffe and Devantave, 4–6 January 1945, and seized Laroche, 11 January. By 16 January, the Bulge had been reduced.
After a 5-day respite, the 84th resumed the offensive, taking Gouvy and Beho. On 7 February, the Division assumed responsibility for the Roer River zone, between Linnich and Himmerich, and trained for the river crossing. On 23 February 1945, the Division cut across the Roer, took Boisheim and Dülken, 1 March, crossed the Niers Canal on 2 March, took Krefeld, 3 March, and reached the Rhine by 5 March. The Division trained along the west bank of the river in March.
After crossing the Rhine, 1 April, the Division drove from Lembeck toward Bielefeld in conjunction with the 5th Armored Division, crossing the Weser River to capture Hanover, 10 April. By 13 April, the Division had reached the Elbe, and halted its advance, patrolling along the river. The Russians were contacted at Balow, 2 May 1945.
The Division remained on occupation duty in Germany after VE-day, returning to the United States on 19 January 1946 for demobilization. It was formally redesignated a reserve formation on 21 January 1946.