was a after Kōka and before Ansei. This period spanned the years from February 1848 through November 1854. The reigning emperor was .
was a after Kōka and before Ansei. This period spanned the years from February 1848 through November 1854. The reigning emperor was .
==Change of era== February 28, 1848 : The era name of Kaei (meaning "eternal felicity") was created to mark the beginning of the reign of the Emperor Kōmei.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).