Hawaii's 81st Pearl Harbor Remembrance Day is Wednesday.

The Japanese military attacked Pearl Harbor on December 7, 1941, killing 2,403 U.S. servicemen and civilians.

The National Parks Service reported over 1,100 injuries from the attack, which destroyed aircraft and naval vessels.

The next day, Congress declared war on Japan, launching World War II.

Franklin Roosevelt famously called Dec. 7, 1941 "a date which will live in infamy" in a joint session of Congress.

Hawaii and the nation commemorate National Pearl Harbor Remembrance Day on Dec. 7, which Congress declared in 1994.

The anniversary will be commemorated by half-staffing American flags nationwide.

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