events

Pope Callixtus II and Holy Roman Emperor Henry V agree to the Concordat of Worms to put an end to the Investiture Controversy.

Historical image related to Pope Callixtus II and Holy Roman Emperor Henry V agree to the Concordat of Worms to put an end to the Investiture Controversy. from September 23, 1122

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…
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Henry V, Holy Roman Emperor

Holy Roman Emperor from 1111 to 1125

Henry V was King of Germany and Holy Roman Emperor, as the fourth and last ruler of the Salian dynasty. He was made co-ruler by his father, Henry IV, in 1098.
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Concordat of Worms

1122 treaty between the Catholic Church and the Holy Roman Empire

The Concordat of Worms, also referred to as the Pactum Callixtinum or Pactum Calixtinum, was an agreement between the Catholic Church and the Holy Roman Empire which regulated the procedure for the appointment of bishops and abbots in the Empire. Signed on 23 September 1122 in…
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Investiture Controversy

11th- to 12th-century dispute between secular rulers and the papacy

The Investiture Controversy or Investiture Contest was a conflict between the Church and the state in medieval Europe over the ability to choose and install bishops (investiture), abbots of monasteries, and the Pope himself. A series of popes in the 11th and 12th centuries…
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September 23

Day of the year

September 23 is the 266th day of the year in the Gregorian calendar; 99 days remain until the end of the year.
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