Japanese era from April 1648 to October 1652 From Wikipedia, the free encyclopedia
Keian (慶安) was a Japanese era name (年号,, nengō,, lit. "year name") after Shōhō and before Jōō. This period started in February 1648 and ended in September 1652.[1] During this time, the emperor was Go-Kōmyō-tennō (後光明天皇).[2]
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