World War II involved major combat operations in the European Theater from 1942 to 1945. Allied forces led by generals Montgomery, Clark, Alexander, Patton, Bradley, and Devers battled against German forces. Their campaigns involved multiple army groups and involved major advances and battles across Western, Center, and Eastern areas of engagement before ultimately defeating Nazi Germany.

1. World War II
European Theater
Prelude & November 1942-May 1945

3. Montgomery
Clark 5 th Army Grp
15
Alexander
Center Eastern 1th Abn Div
Western Task Force
Task Force
Task Force
1 7 8
Patton Montgomery
15th Army Grp
Alexander

4. 8
21th Army Grp
Montgomery
1 2
15th Army Grp
Alexander
8 Montgomery
5 15
Clark 15th Army Grp
Alexander

5. 8
21th Army Grp
Montgomery
1 2
21th Army Grp
Montgomery
9
2 1
12th Army Grp
1
9 Bradley
3
12th Army Grp
Bradley 6th Army Grp
Devers
1
8
7 5
15th Army Grp
Alexander
Clark
15

6. 8
21th Army Grp 1 2
Montgomery
1 9
1
12th Army Grp
Bradley
3
6th Army Grp 7
Devers
1
8
5
15th Army Grp
Clark
15