Japanese submarine sinks U.S. transport ship in Hawaiian waters.
Japanese plane bombs Honolulu.
About 1,400 Japanese-American volunteers leave Hawai`i for Camp McCoy, Wisconsin, to train for WWII service. The group later serves with distinction in the European theater and is called the "purple heart battalion."
Distribution of gas masks begins.
Three bombs hit Tantalus.
Battle of Midway, so crucial to Hawaii's survival, begins. Its successful conclusion is the turning point of the Pacific war.
All civilians in the Islands required to register and be fingerprinted. Personal identification cards must be carried at all times. Blackout restrictions apply from 6pm to 6am.
First group of about 40 Japanese families living in the Islands leaves Hawai`i to be exchanged for Americans living in Japan; no one is sent against their will.
Civil courts resume most normal functions but writs of habeas corpus remain suspended.
William "Bill" Smith sets world record in 200-meter freestyle.