巫蛊之祸 (巫蠱之禍) wūgǔ zhī huò

wūgǔ zhī huò proper noun the Witchcraft calamity
Domain: History 历史 , Subdomain: China
Notes: 91 BCE attempted coup d'etat against Emperor Wu of Han 汉武帝, beginning with accusations of witchcraft (CC-CEDICT '巫蠱之禍')