 The now-Emperor Emeritus Akihito became the first crown prince for over a thousand years to marry a consort from outside the previously eligible circle.In Japanese mythology, the sacred treasures were bestowed on Ninigi-no-Mikoto, the grandson of the goddess Amaterasu, at the advent of Tenson kōrin.Amaterasu sent him to pacify Japan by bringing the three celestial gifts that are used by the Emperor.