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→Other Events of 1810
==Other Events of 1810==
==Other Events of 1810==
*The shogunate expands coastal defenses around [[Edo]].
*[[Saga han]] expands already existing defensive fortifications around [[Nagasaki]] harbor.
*The [[Tsugaru clan]] reenter [[Hirosaki castle]] and build a new ''tenshu''.
*The [[Tsugaru clan]] reenter [[Hirosaki castle]] and build a new ''tenshu''.