An'ei

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An'ei (安永) was a Japanese era name (年号, nengō, "year name") after Meiwa and before Tenmei. This period spanned the years November 1772 through March 1781.^[1] The reigning emperors were Go-Momozono-tennō (後桃園天皇) and Kōkaku-tennō (光格天皇).