
was a after Kaei and before ''Man'en''. This period spanned the years from November 1854 through March 1860. The reigning emperor was .
was a after Kaei and before ''Man'en. This period spanned the years from November 1854 through March 1860. The reigning emperor was .
== Change of era == November 27, 1854 (): The new era name of Ansei (meaning "tranquil government") was created to herald the beginning of a peaceful period. The impetus and explanation for this change of era names was said to have been the burning of the Palace in Kyoto in the preceding summer.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).