Eihō
Japanese era from February 1071 to April 1084 / From Wikipedia, the free encyclopedia
Eihō (永保) was a Japanese era (年号,, nengō,, lit. "year name") after Jōryaku and before Ōtoku. This period started in February 1081 and ended in April 1084.[1] The reigning emperor was Emperor Shirakawa-tennō (白河天皇).[2]