In what year did the attack on Pearl Harbor occur?

The attack on Pearl Harbor occurred in 1941. On the morning of Sunday, Dec. 7, 1941, the Hawaiian Island base was attacked by Japanese pilots.

Pearl Harbor is an Army and Navy base. The Japanese attack sunk or disabled every ship of the United States fleet stationed in Hawaii. Aircraft were also badly damaged. The United States declared war against Japan on Dec. 8, 1941. This is the day that the Unites States entered into World War II. "The Day of Infamy" speech was given by President Roosevelt the same day that war was declared. Pearl Harbor Remembrance Day is commemorated every year on December 7. It is not a federal holiday, but flags should be flown at half staff in remembrance of the lives lost.