Example image of eyePlorer eyePlorer map for 'Council of Florence': Bishop Catholic Church Ecumenical council Basel Ferrara Pope Eugene IV Bubonic plague Florence Aragon France Holy Roman Empire Monarch Papal States Ambrose the Camaldulian Papal legate Conciliarism Council of Constance October 9 Pope Pope Martin V Pavia Council of Siena Siena Julian Cesarini Prelate Profession of the supreme pontiff (Council of Basel) Antipope Antipope Felix V Lausanne Filioque Nicene Creed Orthodox Church Fall of Constantinople April 20 Democracy Monk Nation Theology Faith Peace Reform movement Decree Germany Italy Battle of Domažlice Bohemia Hussite Bologna December 18 Ecumenism