The "Ashio Riot" was an event occurred from February 4, 1907 to February 7, that mine workers in Ashio Copper Mine destroyed and set fire to the facilities in the mine.
足尾暴動事件（あしおぼうどうじけん）は、1907年2月4日から2月7日まで、足尾銅山の坑夫らが、鉱山施設などを破壊、放火した事件。