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Investiture Controversy



 
 
The Investiture Controversy or Investiture Contest was an 11th century dispute between Henry IV, Holy Roman Emperor
Henry IV, Holy Roman Emperor

Henry IV was King of Germany from 1056 and Holy Roman Emperor from 1084 until his forced abdication in 1105. He was the third emperor of the Salian dynasty and one of the most powerful and important figures of the 11th century....
 and Pope Gregory VII
Pope Gregory VII

Pope Saint Gregory VII , born Hildebrand of Soana , was papacy from April 22, 1073, until his death. One of the great reforming popes, he is perhaps best known for the part he played in the Investiture Controversy, his dispute with Henry IV, Holy Roman Emperor affirming the primacy of the papal authority and the new canon law governing...
 over who would control appointments of church officials (investiture
Investiture

Investiture, from the Latin is a rather general term for the formal installation of an incumbent in public office, especially by taking possession of its insignia....
). It was the most significant conflict between secular and religious powers in medieval Europe
Middle Ages

File:Karl 1 mit papst gelasius gregor1 sacramentar v karl d kahlen.jpgThe Middle Ages of European history are a period in history which lasted for roughly a millennium, commonly dated from the fall of the Roman Empire in the 5th century to the beginning of the Early Modern Period in the 16th century, marked by the division of Western Christi...
. By undercutting the Imperial
Holy Roman Empire

The Holy Roman Empire was a union of territories in Central Europe during the Middle Ages and the Early modern Europe under a Holy Roman Emperor....
 power established by the Salian
Salian dynasty

The Salian dynasty was a dynasty in the High Middle Ages of four List of German Kings and Emperors#Kings , also known as the Frankish dynasty after the family's origin and role as dukes of Franconia....
 emperors, the controversy led to nearly 50 years of civil war
Civil war

A civil war is a war between organized groups to take control of a nation or region, or to change government policies. It is high-intensity conflict, often involving Regular Army, that is sustained, organized and large-scale....
 in Germany
Germany

Germany , officially the Federal Republic of Germany , is a country in Central Europe. It is bordered to the north by the North Sea, Denmark, and the Baltic Sea; to the east by Poland and the Czech Republic; to the south by Austria and Switzerland; and to the west by France, Luxembourg, Belgium, and the Netherlands....
, the triumph of the great duke
Duke

A duke is a member of the nobility, historically of highest rank below the monarch, and historically controlling a duchy or a dukedom. The title comes from the Latin language Dux Bellorum, which had the sense of "military commander" and was employed by both the Germanic peoples themselves and by the Ancient Rome authors covering them to r...
s and abbot
Abbot

The word abbot, meaning father, is a title given to the head of a monastery in various traditions, including Christianity. The office may also be given as an honorary title to a clergyman who is not actually the head of a monastery....
s, and the disintegration of the Holy Roman Empire
Holy Roman Empire

The Holy Roman Empire was a union of territories in Central Europe during the Middle Ages and the Early modern Europe under a Holy Roman Emperor....
 from which Germany would not recover until the unification of Germany
Unification of Germany

The unification of Germany took place on January 18, 1871, when Otto von Bismarck, the Prime Minister of Prussia, managed to unify a number of independent German people states into a nation-state, and thus create the German Empire, from which all of the states since that time bearing the name of Germany descend....
 in the 19th century.

r the decline of the Roman Empire
Decline of the Roman Empire

The English historian Edward Gibbon, author of The Decline and Fall of the Roman Empire made this concept part of the framework of the English language, but he was neither the first nor the last to speculate on why and when the Empire collapsed....
, and prior to the Investiture Controversy, the appointment of church officials, while theoretically a task of the Roman Catholic Church
Roman Catholic Church

The Roman Catholic Church, officially known as the Catholic Church is the world's largest Christianity Ecclesia , representing over half of all Christians and one-sixth of the world population....
 was in practice performed by secular authorities.






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The Investiture Controversy or Investiture Contest was an 11th century dispute between Henry IV, Holy Roman Emperor
Henry IV, Holy Roman Emperor

Henry IV was King of Germany from 1056 and Holy Roman Emperor from 1084 until his forced abdication in 1105. He was the third emperor of the Salian dynasty and one of the most powerful and important figures of the 11th century....
 and Pope Gregory VII
Pope Gregory VII

Pope Saint Gregory VII , born Hildebrand of Soana , was papacy from April 22, 1073, until his death. One of the great reforming popes, he is perhaps best known for the part he played in the Investiture Controversy, his dispute with Henry IV, Holy Roman Emperor affirming the primacy of the papal authority and the new canon law governing...
 over who would control appointments of church officials (investiture
Investiture

Investiture, from the Latin is a rather general term for the formal installation of an incumbent in public office, especially by taking possession of its insignia....
). It was the most significant conflict between secular and religious powers in medieval Europe
Middle Ages

File:Karl 1 mit papst gelasius gregor1 sacramentar v karl d kahlen.jpgThe Middle Ages of European history are a period in history which lasted for roughly a millennium, commonly dated from the fall of the Roman Empire in the 5th century to the beginning of the Early Modern Period in the 16th century, marked by the division of Western Christi...
. By undercutting the Imperial
Holy Roman Empire

The Holy Roman Empire was a union of territories in Central Europe during the Middle Ages and the Early modern Europe under a Holy Roman Emperor....
 power established by the Salian
Salian dynasty

The Salian dynasty was a dynasty in the High Middle Ages of four List of German Kings and Emperors#Kings , also known as the Frankish dynasty after the family's origin and role as dukes of Franconia....
 emperors, the controversy led to nearly 50 years of civil war
Civil war

A civil war is a war between organized groups to take control of a nation or region, or to change government policies. It is high-intensity conflict, often involving Regular Army, that is sustained, organized and large-scale....
 in Germany
Germany

Germany , officially the Federal Republic of Germany , is a country in Central Europe. It is bordered to the north by the North Sea, Denmark, and the Baltic Sea; to the east by Poland and the Czech Republic; to the south by Austria and Switzerland; and to the west by France, Luxembourg, Belgium, and the Netherlands....
, the triumph of the great duke
Duke

A duke is a member of the nobility, historically of highest rank below the monarch, and historically controlling a duchy or a dukedom. The title comes from the Latin language Dux Bellorum, which had the sense of "military commander" and was employed by both the Germanic peoples themselves and by the Ancient Rome authors covering them to r...
s and abbot
Abbot

The word abbot, meaning father, is a title given to the head of a monastery in various traditions, including Christianity. The office may also be given as an honorary title to a clergyman who is not actually the head of a monastery....
s, and the disintegration of the Holy Roman Empire
Holy Roman Empire

The Holy Roman Empire was a union of territories in Central Europe during the Middle Ages and the Early modern Europe under a Holy Roman Emperor....
 from which Germany would not recover until the unification of Germany
Unification of Germany

The unification of Germany took place on January 18, 1871, when Otto von Bismarck, the Prime Minister of Prussia, managed to unify a number of independent German people states into a nation-state, and thus create the German Empire, from which all of the states since that time bearing the name of Germany descend....
 in the 19th century.

Origins

After the decline of the Roman Empire
Decline of the Roman Empire

The English historian Edward Gibbon, author of The Decline and Fall of the Roman Empire made this concept part of the framework of the English language, but he was neither the first nor the last to speculate on why and when the Empire collapsed....
, and prior to the Investiture Controversy, the appointment of church officials, while theoretically a task of the Roman Catholic Church
Roman Catholic Church

The Roman Catholic Church, officially known as the Catholic Church is the world's largest Christianity Ecclesia , representing over half of all Christians and one-sixth of the world population....
 was in practice performed by secular authorities. Since a substantial amount of wealth and land was usually associated with the office of bishop
Bishop

A bishop is an ordination or consecration member of the Clergy#Christian clergy who is generally entrusted with a position of authority and oversight....
 or abbot, the sale of Church offices (a practice known as simony
Simony

Simony is the ecclesiastical crime of paying for holy offices or positions in the hierarchy of a church, named after Simon Magus, who appears in the Acts of the Apostles 8:18-24....
) was an important source of income for secular leaders. Since bishops and abbots were themselves usually part of the secular governments, due to their literate
Literacy

The traditional definition of literacy is considered to be the ability to read and write, or the ability to use language to Reading , Writing, Listening, and Speech communication....
 administrative resources, it was beneficial for a secular ruler to appoint (or sell the office to) someone who would be loyal. In addition, the Holy Roman Emperor
Holy Roman Emperor

Image:HRR 14Jh.jpgThe Roman of the Emperor's title was a reflection of the translatio imperii principle that regarded the Holy Roman Emperors as the inheritors of the title of Emperor of the Western Roman Empire, a title left unclaimed in the West after the death of Julius Nepos in 480....
 had the special ability to appoint the pope, and the pope in turn would appoint and crown the next Emperor. Thus a top-down cycle of secular investiture of Church offices was perpetuated.

The crisis began when a group within the church, members of the Gregorian Reform
Gregorian Reform

The Gregorian Reforms were a series of reforms initiated by Pope Gregory VII and the circle he formed in the Roman Curia , circa 1050?80, which dealt with the moral integrity and independence of the clergy....
, decided to address the sin of simony by restoring the power of investiture to the Church. The Gregorian reformers knew this would not be possible so long as the emperor maintained the ability to appoint the pope, so their first step was to liberate the papacy from the control of the emperor. An opportunity came in 1056 when Henry IV
Henry IV, Holy Roman Emperor

Henry IV was King of Germany from 1056 and Holy Roman Emperor from 1084 until his forced abdication in 1105. He was the third emperor of the Salian dynasty and one of the most powerful and important figures of the 11th century....
 became German king at six years of age. The reformers seized the opportunity to free the papacy while he was still a child and could not react. In 1059 a church council in Rome declared secular leaders would play no part in the selection of popes and created the College of Cardinals
College of Cardinals

The Sacred College of Cardinals is the body of all Cardinal of the Roman Catholic Church. The College plays two roles in the church:*participating in Papal conclave when the Holy See is vacant, and...
 as a body of electors made up entirely of church officials. To this day the College of Cardinals selects the pope.

Once Rome gained control of the election of the pope, it was now ready to attack the practice of secular investiture on a broad front.

Investiture Controversy

In 1075 Pope Gregory VII asserted in the Dictatus Papae
Dictatus papae

Dictatus papae is a compilation of 27 axiomatic statements of powers arrogated to the Pope that was included in Pope Gregory VII's register under the year 1075....
 that as the Roman church was founded by God alone; that the papal power (the auctoritas
Auctoritas

Auctoritas is a Latin word and is the origin of English "authority." While historically its use in English was restricted to discussions of the political history of Rome, the beginning of Phenomenology philosophy in the twentieth century changed the use of the word substantially....
 of Pope Gelasius
Pope Gelasius I

Pope Saint Gelasius I was pope from 492 until his death in 496. He was the third and last List of African popes in the Roman Catholic Church, Gelasius was a prolific writer whose style placed him on the cusp between Late Antiquity and the Early Middle Ages....
) was the sole universal power; in particular, a council held in the Lateran
Lateran Palace

The Lateran Palace, formally the Apostolic Palace of the Lateran , is an ancient palace of the Roman Empire and later a Papal Palace. Adjacent to the Basilica di San Giovanni in Laterano, the cathedral Church of Rome, Italy....
 from February 24 to 28 of the same year, decreed that the pope alone could appoint or depose churchmen or move them from see
Episcopal See

An episcopal see is, in the original sense, the official seat of a bishop. This seat, which is also referred to the bishop's cathedra, is placed in the bishop's principal church, which is therefore called the bishop's cathedral....
 to see. This radical departure from the balance of power
Balance of power

Balance of power may refer to:* balance of power in international relations ? when there is parity or stability between competing forces* balance of power ? when an individual or minor group can exercise a decisive influence on legislation because evenly weighted major groups act in opposition to each other...
 of the Early Middle Ages
Early Middle Ages

The Early Middle Ages is a period in the history of Europe following the fall of the Western Roman Empire spanning roughly five centuries from AD 500 to 1000....
, among the other Gregorian reforms, eliminated the practice of investiture, the divinely-appointed monarch's right to invest a prelate with the symbols of power, both secular and spiritual. By this time, Henry IV was no longer a child, and he reacted to this declaration by sending Gregory VII a letter in which he rescinded his imperial support of Gregory as pope in no uncertain terms: the letter was headed Henry, king not through usurpation but through the holy ordination of God, to Hildebrand, at present not pope but false monk. It called for the election of a new pope. His letter ends:

The situation was made even more dire when Henry IV installed his chaplain as Bishop of Milan, when a candidate had already been chosen in Rome. In 1076 Gregory responded by excommunicating
Excommunication

Excommunication is a religious censure used to deprive or suspend membership in a religious community. The word literally means putting [someone] out of full communion....
 the king, removing him from the Church and deposing him as German king. This was the first time a king of his stature had been deposed since the 4th century.

Enforcing these declarations was a different matter, but the advantage gradually came to be on the side of Gregory VII. The German aristocracy was happy to hear of the king's deposition. They used the cover of religion as an excuse to continue the rebellion started at the First Battle of Langensalza
First Battle of Langensalza

The First Battle of Langensalza was fought on June 9, 1075 between forces of German King Henry IV, Holy Roman Emperor and several rebellious Duchy of Saxony noblemen on the River Unstrut near Langensalza....
 in 1075, and for seizure of royal holdings. Aristocrats claimed local lordships over peasants and property, built forts, which had previously been outlawed, and built up localized fiefdom
Fiefdom

Under the system of feudalism, a fiefdom, fief, feud, feoff, or fee, often consisted of inheritance lands or revenue-producing property granted by a Allegiance lord, generally to a vassal, in return for a form of allegiance, originally to give him the means to fulfill his military duties when called upon....
s to secure their autonomy from the empire.

Hugo V Cluny Heinrich Iv Mathilde V Tuszien Cod Vat Lat 4922 1115ad
Thus, due to these combining factors, Henry IV had no choice but to back down, needing time to marshal his forces to fight the rebellion. In 1077 he traveled to Canossa
Canossa

Canossa is a comune and castle town in Emilia-Romagna, famous as the site where Holy Roman Emperor Henry IV, Holy Roman Emperor did penance in 1077, standing three days bare-headed in the snow, in order to reverse his excommunication by Pope Gregory VII....
 in northern Italy to meet the pope and apologize in person. As penance for his sins, and echoing his own punishment of the Saxons after the First Battle of Langensalza
First Battle of Langensalza

The First Battle of Langensalza was fought on June 9, 1075 between forces of German King Henry IV, Holy Roman Emperor and several rebellious Duchy of Saxony noblemen on the River Unstrut near Langensalza....
, he dramatically wore a hairshirt
Cilice

A cilice was originally a garment or undergarment made of coarse cloth or animal hair used in some religious traditions to induce some degree of discomfort or pain as a sign of repentance and atonement....
 and stood in the snow barefoot in the middle of winter in what has become known as the Walk to Canossa
Walk to Canossa

The Walk to Canossa refers to both the trek itself of Henry IV, Holy Roman Emperor of the Holy Roman Empire from Speyer to the Canossa Castle in Emilia Romagna and to the events surrounding his journey....
. Gregory lifted the excommunication, but the German aristocrats, whose rebellion became known as the Great Saxon Revolt
Great Saxon Revolt

The Great Saxon Revolt was a civil war between 1073/1077–1088 early in the history of the Holy Roman Empire led by a group of opportunistic List of states of the Holy Roman Empire who elected as their figurehead the duke of Swabia and anti-king Rudolf of Rheinfeld, a two-way brother-in-law of the young Henry IV, Holy Roman Emperor ....
, were not so willing to give up their opportunity. They elected a rival king, Rudolf von Rheinfeld.

Henry IV then proclaimed Antipope Clement III
Antipope Clement III

Guibert or Wibert of Ravenna was a cleric made Antipope in 1080 due to perceived abuses of Pope Gregory VII during the Investiture Controversy, a title that lasted unto his death....
 to be pope. In 1081 Henry IV captured and killed Rudolf, and in the same year he invaded Rome with the intent of forcibly removing Gregory VII and installing a more friendly pope. Gregory VII called on his allies the Normans in southern Italy
Norman conquest of southern Italy

The Normans conquest of southern Italy spanned most of the eleventh century, involving many battles and many independent players conquering territories of their own....
, and they rescued him from the Germans in 1085. The Normans sacked Rome
Sack of Rome (1084)

The Sack of Rome of May 1084 was a Italo-Normans sack, the result of the pope's call for aid from the duke of Apulia, Robert Guiscard.Pope Gregory VII was besieged in the Castel Sant'Angelo by the Emperor Henry IV in June 1083....
 in the process, and when the citizens of Rome rose up against Gregory he was forced to flee south with the Normans. He died there soon after.

The Investiture Controversy continued for several decades as each succeeding pope tried to diminish imperial power by stirring up revolt in Germany. These revolts were gradually successful. Henry IV was succeeded upon death 1106 by his son Henry V
Henry V, Holy Roman Emperor

Henry V was King of Germany and Holy Roman Empire , the fourth and last ruler of the Salian dynasty. Henry's reign coincided with the final phase of the great Investiture Controversy, which had pitted pope against emperor....
, who had rebelled against his father in favor of the papacy, and who had gotten his father to renounce the legality of his antipopes before he died. Henry V also chose one more antipope, Gregory VIII
Antipope Gregory VIII

Gregory VIII was antipope from March 10, 1118 to April 22, 1121....
, however he renounced some of the rights of investiture with the Concordat of Worms
Concordat of Worms

The Concordat of Worms, sometimes called the Pactum Calixtinum by papal historians, was an agreement between Pope Calixtus II and Holy Roman Emperor Henry V, Holy Roman Emperor on September 23 1122 near the city of Worms, Germany....
, and was received back into communion and recognized as legitimate Emperor as a result.

English investiture controversy of 1103 to 1107

At the time of Henry IV's death, Henry I of England
Henry I of England

Henry I was the fourth son of William I the Conqueror. He succeeded his elder brother William II of England as King of England in 1100 and defeated his eldest brother, Robert Curthose, to become Duke of Normandy in 1106....
 and the Gregorian papacy were also embroiled in a controversy over investiture, and its solution provided a model for the eventual solution of the issue in the Empire.

William the Conqueror had accepted a papal banner and the distant blessing of Pope Alexander II
Pope Alexander II

Alexander II , born Anselmo da Baggio, was Pope from 1061 to 1073.He was born in Milan. As bishop of Lucca he had been an energetic coadjutor with Pope Gregory VII in endeavouring to suppress simony, and to enforce the clerical celibacy....
 upon his invasion, but had successfully rebuffed the Pope's assertion after the successful outcome, that he should come to Rome and pay homage for his fief, under the general provisions of the "Donation of Constantine
Donation of Constantine

The Donation of Constantine is a forged Roman Empire decree in which the emperor Constantine transfers authority over Rome and the western part of the Roman Empire to the pope....
".

The ban on lay investiture in Dictatus Papae did not shake the loyalty of William's bishops and abbots. In the reign of Henry I
Henry I of England

Henry I was the fourth son of William I the Conqueror. He succeeded his elder brother William II of England as King of England in 1100 and defeated his eldest brother, Robert Curthose, to become Duke of Normandy in 1106....
 the heat of exchanges between Westminster and Rome induced Anselm, Archbishop of Canterbury
Anselm of Canterbury

Saint Anselm of Canterbury was an Italian medieval philosopher, theology, and church official who held the office of Archbishop of Canterbury from 1093 to 1109....
, to give up mediating and retire to an abbey. A Norman count who was Henry's chief advisor was excommunicated, but the threat of excommunicating the king remained unplayed. The papacy needed the support of English Henry while German Henry was still unbroken. A projected crusade also required English support.

Henry I commissioned the Archbishop of York to collect and present all the relevant traditions of anointed kingship. "The resulting Anonymous of York treaties are a delight to students of early-medieval political theory, but they in no way typify the outlook of the Anglo-Norman monarchy, which had substituted the secure foundation of administrative and legal bureaucracy for outmoded religious ideology"

Concordat of London, 1107

The Concordat of London (1107) suggested a compromise that was taken up in the Concordat of Worms
Concordat of Worms

The Concordat of Worms, sometimes called the Pactum Calixtinum by papal historians, was an agreement between Pope Calixtus II and Holy Roman Emperor Henry V, Holy Roman Emperor on September 23 1122 near the city of Worms, Germany....
. In England, as in Germany, a distinction was being made in the king's chancery between the secular and ecclesiastical powers of the prelates. Employing the distinction, Henry gave up his right to invest his bishops and abbots and reserved the custom of requiring them to come and do homage for the "temporalities
Temporalities

Temporalities are the secular properties and possessions of the Christian Church. It is most often used to describe those properties that were used to support a bishop or other religious person or establishment....
" (the landed properties tied to the episcopate), directly from his hand, after the bishop had sworn homage and feudal vassalage in the ceremony called commendatio, the commendation ceremony
Commendation ceremony

A commendation ceremony is a formal ceremony that evolved during the Early Medieval period to create a bond between a lord and his fighting man, called his vassal ....
, like any secular vassal. The system of vassal
Vassal

A vassal in the terminology that both preceded and accompanied the feudal of medieval Europe, is one who enters into mutual obligations with a monarch, usually of military support and mutual protection, in exchange for certain guarantees, which came to include the terrain held as a fiefdom....
age was not divided among great local lords in England as it was in France, for by right of the Conquest the king was in control.

Henry recognized the dangers of depending on monastic scholars to staff his chancery and turned increasingly to secular scholars (who naturally held minor orders) and rewarded these men of his own making with bishopric
Bishopric

Bishopric may refer to:*Diocese an ecclesiastical region run by a bishop in the Roman Catholic, Orthodox Christian, Anglican and some Lutheran churches....
s and abbey
Abbey

An abbey , is a Christianity monastery or convent, under the government of an Abbot or an Abbess, who serves as the spiritual father or mother of the community....
s. Henry expanded the system of scutage
Scutage

The tax of scutage or escuage, in the law of England under the feudal system, allowed a knight to "buy out" of the military service due to the Crown from the holder of a knight's fee....
 to reduce the monarchy's dependence on knights supplied from church lands. The conclusion of the brief English investiture controversy was to strengthen the secular power of the king.

Concordat of Worms and its significance

On the Continent, after 50 years of fighting, a similar compromise (but with quite different long-term results) was reached in 1122, signed on September 23 and known as the Concordat of Worms
Concordat of Worms

The Concordat of Worms, sometimes called the Pactum Calixtinum by papal historians, was an agreement between Pope Calixtus II and Holy Roman Emperor Henry V, Holy Roman Emperor on September 23 1122 near the city of Worms, Germany....
. It was agreed that investiture would be eliminated, while room would be provided for secular leaders to have unofficial but significant influence in the appointment process.

Before the monarchy was embroiled in the dispute with the Church, it declined in power and broke apart. Localized rights of lordship over peasants grew, increasing serfdom and resulting in fewer rights for the population. Local taxes and levies increased while royal coffers declined. Rights of justice became localized and courts did not have to answer to royal authority. In the long term the decline of imperial power would divide Germany until the 19th century.

As for the papacy, it gained strength. During the controversy, both sides had tried to marshal public opinion; as a result, lay people became engaged in religious affairs and lay piety increased, setting the stage for the Crusades and the great religious vitality of the 12th century.

The dispute did not end with the Concordat of Worms. There would be future disputes between popes and Holy Roman Emperors, until northern Italy was lost to the Empire entirely. The Church would turn the weapon of Crusade against the Holy Roman Empire under Frederick II
Frederick II, Holy Roman Emperor

Frederick II , of the House of Hohenstaufen dynasty, was an Kingdom of Italy pretender to the title of King of the Romans from 1212 and unopposed holder of that monarchy from 1215....
. According to Norman Cantor, "The investiture controversy had shattered the early-medieval equilibrium and ended the interpenetration of ecclesia
Christian Church

Christian Church and the word church are used to denote both a Christian Groups of people and a Church . The word church is usually, but not exclusively, associated with Christianity....
 and mundus
Secularity

Secularity is the state of being separate from religion. For instance, eating and bathing may be regarded as examples of secular activities, because there is nothing inherently religious about them....
. Medieval kingship, which had been largely the creation of ecclesiastical ideals and personnel, was forced to develop new institutions and sanctions. The result during the late eleventh and early twelfth centuries, was the first instance of a secular bureaucratic state whose essential components appeared in the Anglo-Norman monarchy
Anglo-Norman

The Anglo-Normans were mainly the descendants of the Normans who ruled England following the conquest by William I of England in 1066, although a few Normans were already in England before the conquest....
."

Bibliography

  • Blumenthal, Uta-Renate (1988). The Investiture Controversy: Church and Monarchy from the Ninth to the Twelfth Century. University of Philadelphia Press.
  • Cantor, Norman F. (1993). The Civilization of the Middle Ages. HarperCollins
  • Cowdrey, H.E.J. (1998). Pope Gregory VII, 1073–1085. Oxford University Press.
  • Jolly, Karen Louise. (1997). Tradition & Diversity: Christianity in a World Context to 1500. ME Sharpe.
  • Tellenbach, Gerd (1993). The Western Church from the Tenth to the Early Twelfth Century. Cambridge University Press.


See Also

  • Cluniac Reforms
    Cluniac Reforms

    The Cluniac Reform was a series of changes within medieval Christian monasticism, focused on restoring the traditional monastic life, encouraging art, and caring for the poor....
  • Concordat of Worms
    Concordat of Worms

    The Concordat of Worms, sometimes called the Pactum Calixtinum by papal historians, was an agreement between Pope Calixtus II and Holy Roman Emperor Henry V, Holy Roman Emperor on September 23 1122 near the city of Worms, Germany....
  • First Council of the Lateran
    First Council of the Lateran

    The Council of 1123 is reckoned in the series of Ecumenical councils by the Catholic Church. It was convoked by Pope Callixtus II in December, 1122, immediately after the Concordat of Worms....


External links

  • , from Encyclopedia Britannica Online.
  • , from the Catholic Encyclopedia
    Catholic Encyclopedia

    The Catholic Encyclopedia, also referred to today as the Old Catholic Encyclopedia, is an English language encyclopedia published by The Encyclopedia Press....
    .
  • , from the Catholic Encyclopedia.
  • , from the Columbia Encyclopedia
    Columbia Encyclopedia

    The Columbia Encyclopedia is a one-volume encyclopedia produced by Columbia University Press and sold by the Gale Group. First published in 1935, and continuing its important relationship with the Columbia University, the encyclopedia underwent major revisions in 1950 and 1963; the current edition is the sixth, printed in 2000....
    .
  • , from the Online Reference Book for Medieval Studies (ORB).
  • , from the Internet Medieval Sourcebook.


Sources

  • .