Overview
Callistus II
(d. 1124)
Quick Reference
(d. 1124),
Pope from 1119. He was a strong opponent of lay investiture; during his pontificate the Investiture Controversy was settled by the Concordat of Worms (1122). At the Lateran Council of 1123 he issued a series of decrees on simony, clerical celibacy, and the election of bishops.
Subjects: Religion