* 1541/6 [[Takeda Shingen|Takeda Harunobu]] [Shingen] seizes power in Kai from his father, Nobutora. Nobutora is taken in by [[Imagawa Yoshimoto]].
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==Other Events of 1541==
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*The [[Kingdom of Ryukyu|Kingdom of Ryûkyû]] sends its last mission to [[Pattani]]. Its only remaining trading partner in Southeast Asia is now [[Siam]].
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===Births and Deaths===
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*[[Abe Masakatsu]] is born.
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*The monk [[Kakugyo|Kakugyô]] is born (d. [[1646]]).