Lateran I
When and where
1123 (Lateran Basilica in Rome, Italy)
Crisis or controversy
Needed to face
the social and religious problems of the day;
First ecumenical council in the West.
Attendees
300 bishops,
and the following notables:
Convened: Callistus II, Pope;
Ratified: Callistus
Decrees and resolutions
Promulgated canons of mixed
matters.