Keiō

Keiō era
慶応
1 May 1865 – October 23, 1868
Genji Meiji
Emperor Kōmei (posthumous portrait, 1902)
LocationJapan
Including
MonarchKōmei

Keiō (慶応; historically 慶應) was a Japanese era name (年号, nengō; literally "year name") after Genji and before Meiji. The period spanned the years from May 1865 to October 1868. The reigning emperors were Kōmei-tennō (孝明天皇) and Meiji-tennō (明治天皇).