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Japan invades North China from Manchuria
The Japanese invasion of Manchuria began on September 18, 1931, when the Kwantung Army of the Empire of Japan invaded Manchuria. -
Germany invades Poland. England and France declare war on Germany.
France and Britain declared war on Germany on Sept 3, 1939 in response to Germany's invasion of Poland on Sept 1, 1939. France and Germany were allies, and they combined forces with many other allied countries to defeat Germany. -
USS
U.S. imposes trade sanctions, followed by an embargo, aimed at curbing Japan's military aggression in Asia. -
Adm. Yamamoto
begins communicating with other Japanese officers about a possible attack on Pearl Harbor.