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Japanese planes are detected in the sky by a U.S. radar station in Pearl Harbor -
The lieutenant ignored the radar report, believing it was an American B-17 bomber from California. http://education.nationalgeographic.com/education/multimedia/interactive/pearl- harbor/?ar_a=1 -
The first wave of Japanese planes arrives at Pearl Harbor, making huge damages. -
The destroyer USS Helm fires at a Japanese submarine and sinks it. One of the two pilots was made prisoner, becoming the first prisoner ever captured by the American in World War II. -
The USS Shaw explodes while in dry dock, hit at its forward portion by three devastating bombs. -
Beginning of the second wave of Japanese airplanes. -
The Japanese aircraft return to their carriers and finally head back to Japan, after having caused more than 2,400 killings -
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Following Roosevelt's speech, the Senate and House of Representatives approve the recognition of a state of war with Japan. Therefore, Americans start producing massively war supplies. -
In solidarity, Germany and Italy declared war on the United States . Berlin justified its position like this: "…The United States Government having violated in the most flagrant manner and in ever greater measures all the rules of neutrality in favor of Germany's adversaries...” After this declaration, the U.S. Congress signed a joint declaration of war against Germany and Italy: "...I therefore request the Congress to recognize the state of war.” According to http://lhistoirenrafale.lunion.fr -
The conference brought together top British and American military leaders, as well as Winston Churchill and Franklin Roosevelt and their Chiefs of Staffs, in Washington, from December 22, to January 14. It led to a series of major decisions that shaped the war.