What infamous event occurred on December 7, 1941?
a. The Nazis captured Paris.
b. The Vichy government of France signed an armistice with Germany that divided France in occupied and unoccupied regions.
c. The Nazi air raids on Great Britain ended and the German Luftwaffe moved east to fight against the Soviets.
d. The Japanese attacked the U.S. naval base at Pearl Harbor, Hawaii.
The infamous event that occurred on December 7, 1941 was "d. The Japanese attacked the U.S. naval base at Pearl Harbor, Hawaii," since this was the event that brought the United States into World War II.