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Fact:1 The conflict began in Europe on September 1, 1939, with Germany's invasion of Poland
Fact:2 France and Great Britain declared war on Germany on September 3, 1939, in response to the invasion.
Fact:3 The war in the Pacific began later, on December 7 or 8, 1941, when Japan attacked the U.S. naval base at Pearl Harbor. -
Fact:1 On December 7, 1941
Fact:2 The attack occurred in two waves launched from Japanese aircraft carriers, with the first wave starting around 7:47 am
Fact:3 Japan's objective was to cripple the U.S. Pacific Fleet, which it largely succeeded in doing for a short time.