 Finally, more than 1,100 years after Xu Fu's final voyage, monk Yichu wrote during the Later Zhou (AD 951-960) of the Five Dynasties and Ten Kingdoms period that Xu Fu landed in Japan, and also said Xu Fu named Mount Fuji as Penglai.This is the "Legend of Xu Fu" in Japan as evidenced by the many memorials to him there.Some ancient scholars credited Xu Fu for being the founding father, and catalyst of the development of ancient Japanese society.