Synod of Verona (1184)

Timeline

1. 1184Verona · VenetoLucius III convened the synod at Verona, and Frederick I attended in person. Following the Peace of Constance in 1183, pope and emperor sought to coordinate on suppressing heresy, making Verona a stage for temporary cooperation between ecclesiastical and secular powers.
2. 1184Verona · VenetoThe synod examined heretical or suspect groups such as the Waldensians, Humiliati, and Patarines, clarified bishops' responsibility for investigating heresy, and discussed discipline regarding marriage and clerical conduct. Numerous decretals were issued, setting precedents for the later development of the Inquisition.
3. 1184–1190Western Europe · Western EuropeThe decisions of the Synod of Verona had a lasting impact on European canon law, strengthening bishops' authority to investigate local heresy and providing intellectual and legal foundations for the institutionalization of the Inquisition in the 13th century. The synod also showed that the pope still sought to maintain dominance over church affairs in northern Italy after the imperial peace.