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View eight hard-to-reach places where the scars of the 1941 attack are still visible.
Video by Jasper Colt, USA TODAY

“December 7, 1941 – a date,” President Franklin D. Roosevelt famously proclaimed, “which will live in infamy.” The Japanese attack on Pearl Harbor in Hawaii brought America into World War II.

On Thursday, Americans will mark the 76th anniversary of the raid. Here are some facts surrounding that fateful day:

What happened?

Just before 8 a.m. on Sunday, Dec. 7, 1941, hundreds of Japanese planes made a surprise raid on Pearl Harbor, a major U.S. Navy base near Honolulu, Hawaii, according to the History Channel. During the raid, which was launched from aircraft carriers, nearly 20 American naval vessels, including eight battleships, were damaged or destroyed, as well as more than 300 aircraft. More than 2,400 Americans died in the attack, including civilians, and at least 1,000 were wounded. 

Why was it a pivotal moment in U.S. history?

In short, the attack brought the United States into World War II. Until the raid, the U.S. had hesitated to join the conflict, which had started on Sept. 1, 1939, after Germany invaded Poland. In those nearly two-and-a-half years, the U.S. had extensively aided the United Kingdom, virtually the sole source of resistance to the Nazis in Europe, but a general mood of isolationism – brought on, according to the State Department’s Office of the Historian, by the Great Depression and the memory of huge losses during World War I – led Roosevelt and Congress to be wary of intervention. Pearl Harbor reversed that in under a day, with Congress, less than an hour after Roosevelt’s speech, issuing a declaration of war.

How does the Pearl Harbor attack compare with 9/11?

The official death toll in the Dec. 7, 1941, attack was 2,403, according to the Pearl Harbor Visitors Bureau, including 2,008 Navy personnel, 109 Marines and 218 Army service members. Added to this were 68 civilians. Of that number, 1,177 were from the USS Arizona, the wreckage of which now serves as the main memorial to the incident. Fifty-five Japanese also were killed.

In comparison, the attacks of Sept. 11, 2001, led to 2,997 deaths, including the 19 terrorists. Of those, 2,606…