The Investiture Controversy, also called Investiture Contest (

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

: ''Investiturstreit''; ), was a conflict between the Church and the state in medieval Europe over the ability to choose and install bishops (

investiture Investiture (from the Latin preposition ''in'' and verb ''vestire'', "dress" from ''vestis'' "robe") is a formal installation or ceremony that a person undergoes, often related to membership in Christian religious institutes as well as Christian k ...

) and

abbot Abbot is an ecclesiastical title given to the male head of a monastery in various Western religious traditions, including Christianity. The office may also be given as an honorary title to a clergyman who is not the head of a monastery. The fem ...

s of monasteries and the pope himself. A series of popes in the 11th and 12th centuries undercut the power of the

Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans ( la, Imperator Romanorum, german: Kaiser der Römer) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period ( la, Imperat ...

and other European

monarchies A monarchy is a form of government in which a person, the monarch, is head of state for life or until abdication. The political legitimacy and authority of the monarch may vary from restricted and largely symbolic (constitutional monarchy), ...

, and the controversy led to nearly 50 years of conflict. It began as a power struggle between

Pope Gregory VII Pope Gregory VII ( la, Gregorius VII; 1015 – 25 May 1085), born Hildebrand of Sovana ( it, Ildebrando di Soana), was head of the Catholic Church and ruler of the Papal States from 22 April 1073 to his death in 1085. He is venerated as a saint ...

and Henry IV (then King, later Holy Roman Emperor) in 1076. The conflict ended in 1122, when

Pope Callixtus II Pope Callixtus II or Callistus II ( – 13 December 1124), born Guy of Burgundy, was head of the Catholic Church and ruler of the Papal States from 1 February 1119 to his death in 1124. His pontificate was shaped by the Investiture Controversy, ...

and

Emperor Henry V Henry V (german: Heinrich V.; probably 11 August 1081 or 1086 – 23 May 1125, in Utrecht) was King of Germany (from 1099 to 1125) and Holy Roman Emperor (from 1111 to 1125), as the fourth and last ruler of the Salian dynasty. He was made co-ru ...

agreed on the

Concordat of Worms The Concordat of Worms(; ) 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 the German city of Worms by P ...

. The agreement required bishops to swear an oath of fealty to the secular monarch, who held authority "by the lance" but left selection to the church. It affirmed the right of the church to invest bishops with sacred authority, symbolized by a

ring Ring may refer to: * Ring (jewellery), a round band, usually made of metal, worn as ornamental jewelry * To make a sound with a bell, and the sound made by a bell :(hence) to initiate a telephone connection Arts, entertainment and media Film and ...

and staff. In Germany (but not Italy and Burgundy), the Emperor also retained the right to preside over elections of abbots and bishops by church authorities, and to arbitrate disputes. Holy Roman Emperors renounced the right to choose the pope. In the meantime, there was also a brief but significant investiture struggle between

Pope Paschal II Pope Paschal II ( la, Paschalis II; 1050 1055 – 21 January 1118), born Ranierius, was head of the Catholic Church and ruler of the Papal States from 13 August 1099 to his death in 1118. A monk of the Abbey of Cluny, he was cre ...

and King

Henry I of England Henry I (c. 1068 – 1 December 1135), also known as Henry Beauclerc, was King of England from 1100 to his death in 1135. He was the fourth son of William the Conqueror and was educated in Latin and the liberal arts. On William's death in ...

from 1103 to 1107. The earlier resolution to that conflict, the

Concordat of London The Investiture Controversy, also called Investiture Contest (German language, German: ''Investiturstreit''; ), was a conflict between church and state in medieval Europe, the Church and the state in medieval Europe over the ability to choose a ...

, was very similar to the Concordat of Worms.

Background

After the

decline of the Western Roman Empire The fall of the Western Roman Empire (also called the fall of the Roman Empire or the fall of Rome) was the loss of central political control in the Western Roman Empire, a process in which the Empire failed to enforce its rule, and its vas ...

was performed by members of the ruling nobility (and was known as lay investure) despite theoretically being a task of the church. Many bishops and abbots were themselves part of the ruling nobility. Given that most members of the European nobility practiced primogeniture, and willed their titles of nobility to the eldest surviving male heir, surplus male siblings often sought careers in the upper levels of the church hierarchy. This was particularly true where the family may have established a

proprietary church {{Short pages monitor