Emperor Keikō
According to the shrine’s legend, it was established on 5 May in the 41st year of the reign of Emperor Keikō, which corresponds to 111 AD in the western calendar. The offspring of "Noomiame-no-hohino-mikoto" (出雲臣天穂日命) appointed "Kuni no miyatsuko" of Musashi Province, the capital of which was located in what is now Fuchū. Its position as the of Musashi Province was confirmed from the Taika period (645 AD), and archaeological evidence confirms that the shrine was located very close to the provincial capital ("kokufu") of Musashi.