Pope Callixtus II (born 1065)

Pope Callixtus II

Head of the Catholic Church from 1119 to 1124

Pope Callixtus II or Callistus II, born Guy of Burgundy, was the head of the Catholic Church and ruler of the Papal States from February 1119 to his death in 1124. His pontificate was shaped by the Investiture Controversy, which he was able to settle through the Concordat of…