Papal Bull
May 15 Pope Innocent IV issues the papal bull ad exstirpanda, which authorizes, but also limits, the torture of heretics in the Medieval Inquisition
- Jul 1 King Alfonso X 'the Wise', King of Castile & Leon crowned
May 15 Pope Innocent IV issues the papal bull ad exstirpanda, which authorizes, but also limits, the torture of heretics in the Medieval Inquisition