645–650 Taika 686–686 Shuchō 704–708 Keiun Start date March 1361 | 650–654 Hakuchi 701–704 Taihō 708–715 Wadō | |
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Kōan (康安) was a Japanese era name (年号, nengō, lit. year name) of the Northern Court during the Era of Northern and Southern Courts after Enbun and before Jōji. This period spanned the years from March 1361 through September 1362. The emperor in Kyoto was Go-Kōgon-tennō (後光厳天皇). Go-Kōgon's Southern Court rival in Yoshino during this time-frame was Go-Murakami-tennō (後村上天皇)
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Nanboku-chō overview
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.
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.
This illegitimate Northern Court (北朝, hokuchō) had been established in Kyoto by Ashikaga Takauji.
Change of era
In this time frame, Shōhei (1346–1370) was a Southern Court equivalent nengō,