Sakanoue no Tamuramaro
One legend concerning Suwa Daimyōjin claims that he appeared to the general Sakanoue no Tamuramaro, appointed by Emperor Kanmu to subjugate the indigenous Emishi of northeastern Japan. In thanksgiving for the god's miraculous assistance in Tamuramaro's campaign, the imperial court was said to have decreed the establishment of the various religious ceremonies of Suwa Shrine.