In the mid-1970s, a number of violent incidents that appeared to have been influenced by the Ainu Revolution Theory occurred in various parts of the country (mainly in Hokkaido), such as the Shakushain Statue Incident, the Bombing of the Fusetsu no Gunzo and Institute of Northern Cultures, the Attack on the Mayor of Shiraoi, the Hokkaido Shrine Arson Incident, the Bombing of Hokkaido Police Headquarters, the Hokkaido government bombings, and the Bombing of Higashi Honganji.