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Ansei
Period of Japanese history (1854–1860) / From Wikipedia, the free encyclopedia
Ansei (安政) was a Japanese era name (年号, nengō, "year name") after Kaei and before Man'en. This period spanned the years from November 1854 through March 1860.[1] The reigning emperor was Kōmei-tennō (孝明天皇).