Kaei
Japanese era from April 1848 to January 1855 / From Wikipedia, the free encyclopedia
Kaei (嘉永) was a Japanese era name (年号,, nengō,, lit. "year name") after Kōka and before Ansei. This period started in February 1848 and ended in November 1854.[1] During this time, the emperor was Kōmei-tennō (孝明天皇).[2]
The nengō Kaei means "Celebration of Eternity"[3] or "Eternal Felicity"[4]