Jōō (Kamakura period)

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Jōō (貞応), also romanized as Jō-ō, was a Japanese era name (年号, nengō, lit. year name) after Jōkyū and before Gennin. This period spanned the years from April 1222 to November 1224.[1] The reigning emperor was Go-Horikawa-tennō.[2]

Change of era[edit]

  • 1222 Jōō gannen (貞応元年): The era name was changed to Jōō (meaning "Righteous Answer") to mark an event or a number of events. The previous era ended and a new one commenced in Jōkyū, on the 13th day of the 4th month of 1222.[3]

Events of the Jōō era[edit]


  1. ^ Nussbaum, Louis-Frédéric. (2005). "Jō-ō" in Japan encyclopedia, p. 432; n.b., Louis-Frédéric is pseudonym of Louis-Frédéric Nussbaum, see Deutsche Nationalbibliothek Authority File.
  2. ^ Titsingh, Isaac. (1834). Annales des empereurs du Japon, pp. 238-241; Brown, Delmer et al. (1979). Gukanshō, pp. 341-343; Varley, H. Paul. (1980). Jinnō Shōtōki. pp. 226-227.
  3. ^ Brown, p. 346.
  4. ^ Ponsonby-Fane, Richard. (1962). Studies in Shinto and Shrines, p. 461.


External links[edit]

Preceded by
Era or nengō

Succeeded by