Lyons I
When and where
1245 in Lyon (city in E. France)
Crisis or controversy
The difficult and heretical behavior of
Emperor
Frederick II;
The persecution of religion.
Attendees
140 bishops;
more than 300 in toto,
Convened: Innocent IV, Pope;
Ratified: Innocent IV, Pope.
Decrees and resolutions
Excommunication and deposition
of Frederick II.