Record Data(active tab)EventsPeopleDocumentsImages Record Data Place Unit Type Nation Containing Unit Asia Events Date Type 04/15/1864 In Korea, Su-un, founder of the Donghak religious sect, is executed for heresy at Daegu Religion/Philosophy 04/05/1864 In Korea, Su-un, founder of the Donghak religious sect, is tried and found guilty of heresy Religion/Philosophy People Documents Images