Chōgen (長元) was a Japanese era name (年号, nengō, lit. "year name") after Manju and before Chōryaku. This period spanned the years from July 1028 through April 1037.[1] The reigning emperors were Go-Ichijō-tennō (後一条天皇) and Go-Suzaku-tennō (後朱雀天皇).[2]
Preceded by | Era or nengō Chōgen 1028–1037 |
Succeeded by |