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Ōan (応安), also romanized as Ō-an, was a "Japanese era name (年号, nengō, lit. year name) of the "Northern Court during the "Era of Northern and Southern Courts after "Jōji and before "Eiwa. This period spanned the years from February 1368 through February 1375.[1] The emperors in Kyoto were "Emperor Go-Kōgon (後光厳天皇, Go-Kōgon-tennō) and "Emperor Go-En'yū (後円融天皇, Go-En'yū-tennō)[2] The "Southern Court rival in Yoshino during this time-frame was "Emperor Chōkei (長慶天皇, Chōkei-tennō).


Nanboku-chō overview[edit]

The Imperial seats during the Nanboku-chō period were in relatively close proximity, but geographically distinct. They were conventionally identified as:

During the "Meiji period, an Imperial decree dated March 3, 1911 established that the legitimate reigning monarchs of this period were the direct descendants of "Emperor Go-Daigo through "Emperor Go-Murakami, whose Southern Court (南朝, nanchō) had been established in exile in "Yoshino, near Nara.[3]

Until the end of the "Edo period, the militarily superior pretender-Emperors supported by the "Ashikaga shogunate had been mistakenly incorporated in Imperial chronologies despite the undisputed fact that the "Imperial Regalia were not in their possession.[3]

This illegitimate "Northern Court (北朝, hokuchō) had been established in "Kyoto by "Ashikaga Takauji.[3]

Change of era[edit]

In this time frame, "Shōhei (1346–1370), "Kentoku (1370–1372) and "Bunchū (1372–1375) were Southern Court equivalent nengō.

Events of the Ōan era[edit]


  1. ^ Nussbaum, Louis-Frédéric. (2005). "Ō-an" in Japan encyclopedia, p. 731; 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. 310-312.
  3. ^ a b c Thomas, Julia Adeney. (2001). Reconfiguring modernity: concepts of nature in Japanese political ideology, p. 199 n57, citing Mehl, Margaret. (1997). History and the State in Nineteenth-Century Japan. p. 140-147.
  4. ^ a b c d e f Ackroyd, Joyce. (1982) Lessons from History: The "Tokushi Yoron", p. 329.


External links[edit]

Preceded by
"Era or nengō

Succeeded by
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