World War II Timeline: December 1941
A dated guide to 5 documented events in December 1941, with links to individual historical records.
Dated historical records
Entries below follow the dates recorded in the WWII CHRONOS archive. Each linked title opens the original historical entry, including its source reference.
- — Soviet Counteroffensive at Moscow — Soviet forces begin a large-scale counteroffensive around Moscow.
- — Attack on Pearl Harbor — Japan strikes the US naval base in Hawaii.
- — Mass Killing Begins at Chełmno — The killing centre began using gas vans.
- — United States Enters the War against Japan — The US Congress declares war on Japan as the Japanese offensive continues across the Pacific.
- — Germany Declares War on the United States — The European and Pacific wars become even more closely connected.
For wider context, explore the interactive historical timeline and compare events across theaters.