March 27, 1941 -- Takeo Yoshikawa arrived in Honolulu, Hawaii

Takeo was the Japanese spy inside Pearl Harbor. On December 6, 1941,
Takeo sent his final message: *No barrage balloons sighted, Battleships
are without crinolines. No indications of air or sea alert wired to
nearby islands. Enterprise and Lexington [aircraft carriers] have
sailed from Pearl Harbor.* ((see item 3: the real last samurai.the
lonely end of the pearl harbor spy))