was a after Chōwa and before Jian. This period spanned the years from April 1017 through February 1021. The reigning emperor was .
was a after Chōwa and before Jian. This period spanned the years from April 1017 through February 1021. The reigning emperor was .
==Change of era== 1017 : The era name was changed to mark an event or series of events. The previous era ended and a new one commenced in Chōwa 6, on the 23rd day of the 4th month of 1017.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).