December 15 in World War II saw diplomatic pressure on Nazi Germany, the Graf Spee crisis, labor mobilization in the U.S., fighting across Asia, Glenn Miller’s disappearance, Allied advances in Burma and the Philippines, and early steps toward the postwar world order.

December 14 in World War II saw the beginning of the Rape of Nanking, the Soviet Union expelled from the League of Nations, fighting across Europe and Asia, the creation of America’s five-star ranks, and postwar justice for Nazi concentration camp crimes.

December 13 in World War II includes the occupation of Nanking, the Battle of the River Plate, British breakthroughs in North Africa, Soviet counteroffensives near Moscow, James Stewart’s first combat mission, major air war milestones, and deadly kamikaze attacks in the Pacific.

December 12 in World War II saw the Panay Incident in China, Finnish victories in the Winter War, the Blitz on Sheffield, expanding declarations of war in Europe, Manstein’s counterattack at Stalingrad, and Allied advances in Europe and Burma.

1939 Finnish ski troops attack Soviet supply line on Raate Road. 1940 Sidi Barrani is captured along with over 20,000 Italians, bringing the total captured to nearly 38,000 in 2 days, along with 237 guns and 73 tanks. At this time, Wavell decides to withdraw the 4th Indian Division and send it to the Sudan.

December 10 in World War II saw the sinking of Prince of Wales and Repulse, the Japanese capture of Guam, the relief of Tobruk, the first U.S. bombing mission of the war, and the first German Jewish transport to Auschwitz. Explore the full timeline from 1939–1944.

December 9 in World War II saw the first British soldier killed, the launch of Operation Compass, Japanese advances across Asia, the heroism of Flt Lt Scarf at Alor Star, and General Patton’s injury. Explore the full timeline from 1939–1945.