Ansei Purge

[2] He was the Senior Minister during the period preceding the Meiji Restoration and was part of the kōbu gattai, the movement opposed by the Revere the Emperor, Expel the Foreigner (sonnō jōi) faction.

[5][6] The crackdown also targeted those who opposed the succession of Tokugawa Iesada and the kōbu gattai or the policy that attempted to unite the imperial court and the shogunate.

Elements seeking revenge, particularly radicals from Choshu and sympathizers of the victims launched widespread terrorism.

[9][10] Those who were victimized by the purge reemerged in national politics such as Hitotsubashi Keikei and Matsudaira Shungaku.

[12] Men were forced out of positions within the Bakufu, or from han leadership or from the Imperial Court in Kyoto.