Nin'an
Nin'an (仁安?), also known as Ninnan, was a Japanese era name (年号,, nengō,?, lit. "year name") after Eiman and before Kaō. This period spanned the years from August 1166 through April 1169. The reigning emperors were Rokujō-tennō (六条天皇?) and Takakura-tennō (高倉天皇?).
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