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may 1, 1941 - Code breake

Description:

Japanese Adm. Nomura informs his superiors that he has learned Americans were reading his message traffic. No one in Tokyo believes the code could have been broken. The code is not changed.

Added to timeline:

Pearl's Harbor

ByAnna
8 Mar 2018
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0
407

Date:

may 1, 1941
Now
~ 85 years ago
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