Uprisings of Emishi/Ezo inhabitants spread over to the areas along the Sea of Japan, including the revolt of the Emishi/Ezo of Shiwa village, which was then under the domain of the Dewa province.
蝦夷の蜂起は日本海側にも及び、当時出羽国管轄であった志波村の蝦夷も反逆。