Kōhō
Japanese era from 964 to 968 / From Wikipedia, the free encyclopedia
Kōhō (康保) was a Japanese era name (年号,, nengō,, lit. "year name") after Ōwa and before Anna. This period started in July 964 and ended in August 968.[1] The reigning emperors were Murakami-tennō (村上天皇) and Reizei-tennō (冷泉天皇).[2]