was a after Saikō and before Jōgan. This period spanned the years from February 857 through April 859. The reigning emperors were and .
was a after Saikō and before Jōgan. This period spanned the years from February 857 through April 859. The reigning emperors were and .
==Change of Era== January 30, 857 : The new era name was created to mark an event or series of events. The previous era ended, and the new one commenced in Saikō 4, on the 21st day of the 2nd month of 857.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).