Chōkyū (長久) was a Japanese era name (年号,, nengō,, lit. "year name") after Chōryaku and before Kantoku. This period started in November 1040 and ended in November 1044. The reigning emperor was Go-Suzaku-tennō (後朱雀天皇).
Chōkyū (長久) was a Japanese era name (年号,, nengō,, lit. "year name") after Chōryaku and before Kantoku. This period started in November 1040 and ended in November 1044. The reigning emperor was Go-Suzaku-tennō (後朱雀天皇).