On July 24, 1866 (表記の変更), a large-scale uprising called Bushu Yonaoshi Ikki broke out in 15 counties of Musashi Province including Chubu Country and in two counties of Kozuke Province, and the total number of the participants is said to have reached up to 100-odd thousands.
6月13日に武蔵国秩父郡を中心とした武蔵15郡・上野国2郡の地域で総勢十数万とも言われた武州世直し一揆が勃発した。