Original sentence: Canada declared war on Japan within hours of the attack on Pearl Harbor, the first Western nation to do so.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.On Sunday morning, December 7, 1941, the Imperial Japanese Navy Air Service attacked Naval Station Pearl Harbor in Honolulu, Oahu, Hawaii Territory, without warning and without a declaration of war, killing 2,403 Americans, and injuring 1,178 others.The Pacific Aviation Museum Pearl Harbor.military forces in Hawaii
Edited sentence: At the time, the United States and Japan were not officially at war, much like the previous Japanese actions like the USS Panay incident four years earlier and the attack on Port Arthur involving the Russian Empire 37 years earlier.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 men, women, and children of all occupations who died in the Japanese surprise attack on Pearl Harbor in Honolulu, Hawaii on December 7, 1941.On December 7, 1941, the Imperial Japanese Navy began a surprise morning attack on Pearl Harbor in Honolulu, Hawaii, which caused 2,403 American fatalities and injured 1,178 others.On Pearl Harbor Day, the American flag should be flown at half-staff until sunset to honor those who died as a result of Japanese action in Honolulu.The Pearl Harbor Aviation Museum