National Pearl Harbor Remembrance Day
, also referred to as Pearl Harbor Remembrance Day
or Pearl Harbor Day
, is observed annually in the United States
on December 7, to remember and honor the 2,403 citizens of the United States who were killed in the Japanese surprise attack on Pearl Harbor
in Hawaii on December 7, 1941
On Pearl Harbor Day, the American flag
should be flown at half-staff until sunset to honor those who died as a result of the attack on U.S. military forces in Hawaii.