It was the first such ceremony in well over 300 years since Emperor Suko's heir Imperial Prince Naohito had been invested in crown princedom (although this prince was arrested by the Yoshino Court on the occasion of Shohei Itto (temporal unification of the Northern and Southern Courts) and dethroned).
これは、崇光天皇の皇太子直仁親王（正平一統の際に吉野朝廷に捕えられて廃位）以来三百数十年ぶりの立太子であった。