When and where
1274 AD in Lyons, France
Crisis or controversy
A marked decline of the detachment of the popes from the
things of the world;
Chronic restiveness of the Greeks toward Roman primacy.
500 bishops; 570 priests;
Convened: Gregory X, Pope;
St. Thomas Aquinas,
Ratified: Gregory X, Pope.
Decrees and resolutions
General reformation of the morals of clergy
Dogmatic constitution of
Profession of faith of Greek Emperor Michael VIII.
St Bonaventure at the Council of Lyons