The Emperor Go-Daigo left Kyoto and opened the Southern Court in the mountains of Yoshino (Yoshino Town, Yoshino District, Nara Prefecture), based on the insistence that the Three Sacred Treasures handed over to Takauji were imitations. In this way, the Northern and Southern Courts Period started with the coexistence of the Kyoto Imperial Court (Northern Court) and the Yoshino Imperial Court (Southern Court) at the same time.
後醍醐天皇は京を脱出し、尊氏に渡した神器は贋物であるとして、吉野（奈良県吉野郡吉野町）の山中にて南朝を開き、京都朝廷（北朝(日本)）と吉野朝廷（南朝(日本)）が並立する南北朝時代(日本)が始まる。