Shōhei (正平) was a Japanese era (年號, nengō, lit.
This period spanned the years from December 1346 to July 1370.
[2] 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.