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1123
Anno Domini

Ecumenical Council

Council of Lateran I

March-April 1123 Rome (Lateran Basilica) Convoked by: Pope Callixtus II 300 bishops 25 canons
Ecumenical Council — Universally Recognised
25Canons
Section I

The Crisis that summoned Council of Lateran I

The apologetic argument: Ratified the Concordat of Worms (1122), settling the Investiture Controversy. Established that the Pope, not the emperor, has authority over the appointment of bishops. The first ecumenical council held in the West and the first convened and presided over by a pope directly.
The Ecumenical Councils

The Seven Ecumenical Councils

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