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The Church and Medieval Heresy c. 1100-1437

3. Waldensians

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About this Lecture


In this module, we think about the group known as the Waldensians, focusing in particular on: (i) the figure of Peter(?) Waldes, the founder of the movement, his conversion and his early mission; (ii) what the Waldensians believed; (iii) the treatment of the Waldensians at the Third Lateran Council (1179); (iv) the tensions between the Waldensians and the local bishops in the areas in which they preached; (v) the public denouncement of the Waldensians as heretics by the 13th century, and their continued persecution up until the Reformation; and (vi) what the existence of the Waldensians and their relations with the church and other 'heretical' groups such as the Cathars can tell us about heresy in this period.


In this course, Professor John Arnold (University of Cambridge) explores heresy and the church in Medieval Europe. In the first module, we think about the growth of heretical movements up to the beginning of the Albigensian Crusade. In the two modules that follow that, we examine two particular groups – the Cathars and the Waldensians – before turning in the fourth module to consider some of the methods used by the church to combat heresy. In the fifth module, we think about some of the records that have survive that give us an insight into the kind of people caught up in accusations of heresy, while in the sixth and final module, we think about what heresy can tell us about medieval society more broadly.


John Arnold studied at the University of York, gaining a BA in History, and a D.Phil. in Medieval Studies. He worked at the University of East Anglia, then moved to Birkbeck, University of London, in 2001, until his election to the professorship of medieval history at Cambridge in 2016. He has been lead editor of the journal Cultural and Social History, is on the editorial board of the journal Past & Present, and co-edits several publication series: Genders and Sexualities in History (Palgrave Macmillan), Heresy and Inquisition in the Middle Ages (York Medieval Press), and Oxford Studies in Medieval European History (OUP).

Cite this Lecture

APA style

Arnold, J. (2021, March 05). The Church and Medieval Heresy c. 1100-1437 - Waldensians [Video]. MASSOLIT.

MLA style

Arnold, J. "The Church and Medieval Heresy c. 1100-1437 – Waldensians." MASSOLIT, uploaded by MASSOLIT, 05 Mar 2021,