2MMTime
                                                Lyons II
When and where
1274 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.
Attendees
500 bishops; 570 priests, and the following notables:
Convened: Gregory X, Pope;
St. Thomas Aquinas,
St. Bonaventure;
Ratified: Gregory X, Pope.
Decrees and resolutions
General reformation of the morals of clergy
  and bishops;
Dogmatic constitution of filioque;
Profession of faith of Greek Emperor Michael VIII.
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