was a after Chōryaku and before Kantoku. This period spanned the years from November 1040 through November 1044. The reigning emperor was .
was a after Chōryaku and before Kantoku. This period spanned the years from November 1040 through November 1044. The reigning emperor was .
==Change of era== 1040 : The new era name was created to mark an event or series of events. The previous era ended and the new one commenced in Chōryaku 4, on the 10th day of the 11th month of 1040.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).