元号 GENGO Japanese Emperor's reign period
【年号】the era name; 【説明的に】a name given to the period of an emperor’s reign.
art-culture.world/articles/emperor-of-japan-tenno-symbol-of-japanese-culture
【年号】the era name; 【説明的に】a name given to the period of an emperor’s reign.
art-culture.world/articles/emperor-of-japan-tenno-symbol-of-japanese-culture