December 7th. The Japanese Imperial Navy cripples the U.S. Pacific fleet with a surprise air attack on Pearl Harbor, Hawaii.

U.S., Canada, Great Britain declare war on the Japanese Empire the next day. The USA also delcares war on Nazi Germany.

Here is a short video file from the film "Tora, Tora, Tora" that recreates the attack on Pearl Harbor. Click on the link to view the video. At the end, click on the left or back arrow at the upper left corner of the screen.

The attack on Pearl Harbor from "Tora, Tora, Tora" 7:55 min.