What was Hitler's last Big attack in Europe and When did it occur?

The Battle of the Bulge, also known as the Ardennes Counteroffensive, was the last major German offensive campaign on the Western Front during World War II, and took place from 16 December 1944 to 25 January 1945.

Combatants: Allies of World War II, United States

Part of: World War II

End date: 25 January 1945

Start date: 16 December 1944