Genji

Genji (元治?) was a Japanese era name (年号,, nengō,?, lit. "year name") after Bunkyū and before Keiō. This period spanned only slightly more than a single year from February 1864 through April 1865. The reigning emperor was Kōmei-tennō (孝明天皇?).

Read more about Genji:  Change of Era