was a after Eiso and before Chōtoku. This period spanned the years from November 990 through February 995. The reigning emperor was .
was a after Eiso and before Chōtoku. This period spanned the years from November 990 through February 995. The reigning emperor was .
==Change of era== 990 : The new era name was created to mark an event or a number of events. The previous era ended and a new one commenced in Eiso 3, on the 7th day of the 11th month of 990.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).