was a after ''Ten'an and before Gangyō.'' This period spanned the years from April 859 through April 878. The two reigning emperors were and .
was a after ''Ten'an and before Gangyō. This period spanned the years from April 859 through April 878. The two reigning emperors were and .
==Change of era== February 7, 859 : The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Ten'an 3, on the 15th day of the 4th month of 859.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).