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  German occupation of Czechoslovakia (1938–1945) began with the Nazi annexation of Czechoslovakia's northern and western border
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  the german and the soviet agreed not fight each other.
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  The Invasion of Poland, also known as the September Campaign or 1939 Defensive War . Germany, was an invasion of Poland
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  That Canada was automatically at war when Britain was at war in 1914 was unquestioned as from coast to coast,
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  Germany occupied the whole of Western Europe and could concentrate of Hitler's original intention which was to invade and conquer the Soviet Union
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  The French relied on the Maginot line to protect them from a German attack. The Germans relied on the French reliance on the Maginot line to destroy France.
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  This event was the all fought by all air fources and was also the largest and most sustained aerial bombing campaign to that date
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  The Phoney War was a phase early in World War II that was marked by a lack of major military operations
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  Operation Barbarossa, or Case Barbarossa, was the code name for Germany's invasion of the Soviet Union during the Second World War.
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  was a shocking military strike created by the Imperial Japanese Navy against the United States naval base at Pearl Harbor