12
European war early phase (1939–1941)
4 subtopics
13
Invasion of Poland and the outbreak of war (1939)
14
Fall of France, Dunkirk, and the Low Countries (1940)
15
Battle of Britain and the air war over Europe (1940–1941)
16
Axis expansion in the Balkans and North Africa (1940–1941)
17
Eastern Front (1941–1945)
5 subtopics
18
Operation Barbarossa and early German advances (1941)
19
Siege of Leningrad, Moscow, and Soviet resilience (1941–1942)
20
Stalingrad and the strategic turning point (1942–1943)
21
Kursk, operational depth, and Soviet offensives (1943)
22
Advance to Berlin and Germany’s defeat (1944–1945)
23
Mediterranean & North Africa (1940–1943)
3 subtopics
24
Western Desert Campaign and Rommel vs. Allies
25
El Alamein and the shift in initiative (1942)
26
Operation Torch, Tunisia, and Axis defeat in Africa (1942–1943)
27
Italian Campaign (1943–1945)
3 subtopics
28
Sicily, Italy’s armistice, and German occupation (1943)
29
Anzio, Monte Cassino, and the grinding advance
30
Liberation of Rome and the final campaign in Italy (1944–1945)
31
Western Europe (1944–1945)
4 subtopics
32
D-Day and the Normandy campaign (1944)
33
Liberation of France and Allied logistics (1944)
34
Operation Market Garden and strategic debate (1944)
35
Battle of the Bulge and the drive into Germany (1944–1945)
36
Pacific War (1941–1945)
5 subtopics
37
Pearl Harbor and early Japanese advances (1941–1942)
38
Carrier warfare and Midway (1942)
39
Guadalcanal and the shift to island-hopping (1942–1943)
40
Philippines, Iwo Jima, Okinawa, and endgame battles (1944–1945)
41
Atomic bombs, Soviet entry, and Japan’s surrender (1945)
42
China–Burma–India (CBI) theater
2 subtopics
43
China’s war: Nationalists, Communists, and Japanese occupation
44
Burma Campaign and Allied supply lines (e.g., Ledo Road, Hump)