En'ō (延応) was a Japanese era name (年号,, nengō,, lit. "year name") after Ryakunin and before Ninji. This period spanned the years from February 1239 to July 1240. The reigning emperor was Shijō-tennō (四条天皇).
Events of the En'ō EraEdit
- National Diet Library, "The Japanese Calendar" -- historical overview plus illustrative images from library's collection
|Era or nengō: