
was a after Kōchō and before Kenji. This period spanned the years from February 1264 to April 1275. The reigning emperor was .
via Wikipedia infobox
was a after Kōchō and before Kenji. This period spanned the years from February 1264 to April 1275. The reigning emperor was .
==Change of era== 1264 ; 1264: 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 Kōchō 4. The era name comes from the Book of Later Han and combines the characters ("writing") and ("perpetual").
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).