was a after Hōji and before Kōgen. This period spanned the years from March 1249 to October 1256. The reigning emperor was .
was a after Hōji and before Kōgen. This period spanned the years from March 1249 to October 1256. The reigning emperor was .
==Change of era== 1249 : 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 Hōji 3.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).