Eihō
Eihō (永保?) was a Japanese era (年号, nengō,?, lit. "year name") after Jōryaku and before Ōtoku. This period spanned the years from February 1081 through April 1084. The reigning emperor was Emperor Shirakawa-tennō (白河天皇?).
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Wikipedia
Eihō (永保?) was a Japanese era (年号, nengō,?, lit. "year name") after Jōryaku and before Ōtoku. This period spanned the years from February 1081 through April 1084. The reigning emperor was Emperor Shirakawa-tennō (白河天皇?).