Multiple choice general knowledge history Attack on Pearl Harbor DEC 7, 1943 DEC 7, 1942 DEC 7, 1945 DEC 7, 1941 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The attack on Pearl Harbor by the Imperial Japanese Navy occurred on December 7, 1941, leading to the United States' entry into World War II. The year was 1941, not 1942, 1943, or 1945.