When it came to power in medieval Europe, much of it rested in the hands of kings and popes. But what happened when they decided not to share it? This week, Danièle speaks with Blair Apgar about the dramatic clash of emperor versus pope at Canossa in 1077. To learn more about our Patreon, please visit https://www.patreon.com/medievalists To learn more about Danièle's Medieval Masterclass, please visit http://medievalmasterclass.com/