The Ansei Purge was a multi-year event during the Bakumatsu period of Japanese history, between 1858 and 1860, during which the Tokugawa shogunate imprisoned, executed, or exiled those who did not sup

Ansei was a Japanese era name after Kaei and before Man'en. This period spanned the years from November 1854 through March 1860. The reigning emperor was Kōmei-tennō.