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Ionut EPURESCU PASCOVICI
THEOLOGICAL ARGUMENTS IN THE COMPETITION BETWEEN EMPIRE AND PAPACY FOR SUPREMACY IN THE CHRISTIAN COMMONWEALTH (1) 

 
The conflict between Emperor Henry IV (1056-1106) and Pope Gregory VII (1073-1085) was the main political event of the late XI-th century - it was in fact the conflict between the most powerful forces of the Christian World, both of them having the same goal: the European (2) supremacy. The fact that the Empire was after this position should not surprise anybody - in a time when the Capetian king of France, Philip I, was confronted with local magnates, who, though formally his vassals were in fact very often as powerful as he was, and William I was busy trying to impose peace upon the recently conquered England, the emperor was, in spite of the problems he had at home, stronger than any other sovereign in Europe. On the other hand, the presence of Papacy in this competition may amaze only a person less familiar with the medieval society. The Church was the most important institution of the medieval world - the prestige of the pontiff was immense and this gave him a power bigger than any lay sovereign could have hoped for . In a  very religious world as the medieval society, in which - at least in theory - the only purpose of life was seeking absolution for sins, and this way securing a place in heaven, the influence - essentially spiritual - of the successor of St. Peter went beyond the restrictive limits of faith and religion. It is difficult to determine since when the popes began to have political authority (3) but in the XI-th century Papacy was, probably, stronger than ever. This was the direct consequence of the reform movement which was apparent in the Church for quite some time. Led by a series of great popes the Church became less willing to tolerate some of the actions of the monarchs. The conflict had a very concrete stake - the controversy of lay investiture of bishops - but, more than that, was a contest for supremacy. A spiritual and moral supremacy, of course, not a political one - we are dealing with a struggle for influence and prestige, but this two items meant a lot in those days. Even though military forces were, eventually, involved (4), the contest was mainly ideological  -  a debate for which the correspondence of both Henry IV and Gregory VII bear witness. Each side tried to give a favourable answer to the crucial question: Who leads the Christian Commonwealth ? The way they built up their argumentation is the object of this study.

 The main sources for this contest are the letters that Henry IV and Gregory VII exchanged, the letters send by each one of them to the German bishops and nobles, to the Roman cardinals, the resolutions of the synods and councils held during that time; but also narrative sources - Lampert of Hersfeld, Ekkehard of Aurach, Berthold of Reichenau, The Annals of Augsburg, The Anonymous Life of Emperor Henry IV. The correspondence is perhaps the most important - but from the point of view of this study not all the letters have the same value. Some of them are very useful in recreating that epoch and establishing the chronology of the political events, but this is beyond this study’s area of interest. My main concern is to present the political theories elaborated by each part in order to sustain its claims of leadership in the Christian Commonwealth. These theories are based on theological arguments because the princes and kings of that time used religion to legitimate their political power - and precisely this theological evidences are the matter I’m dealing with. Thus, this essay attempts to show the importance of the theological debate in the contest Empire/Papacy, and more than that, the relationship between religion and politics in Middle Ages - the extent to which religion  was involved in political affairs, the controversies between spiritual and secular power.  It is neither an entirely historical approach nor an exhaustive theological analyse.
As this essay address a larger audience - and not necessary specialists - an introduction to the political background is, however, useful. (5) Since Otto I was crowned emperor at Rome, by the pope, in 962, a strong bond has been established between Empire and Papacy. The king of Germany needed the papal investiture in order to become emperor - thus, the papal interference in the German affairs was formally recognised. But the consequences for the Empire were not dramatic, because as long as the emperor controlled Italy the pope could not refuse the investiture of the German king as emperor. Marc Bloch defines best the situation: "the imperial title seemed associated with the possession of Italy."(6)
However, the transformations which occurred in the Church from the end of the X-th century led to changes in the balance between Papacy and Empire. Jacques Paul, in a study on the Church during its reform movement, (7) appreciates that the IX-th century Christendom was a federation of ecclesiastical provinces, which shared the same religious beliefs and discipline and regarded the pope only as their formal superior, whose only power was that of being the supreme instance of Christendom. One may argue that his spiritual ascendancy gave the pope much power than Jacques Paul is willing to admit; but even so it is obvious that Papacy was no match for the political power of Empire. The reform that emerged inside the Church changed this situation. The reform movement was connected with the beginning of a new monastic order based on a system first put in practice at Cluny; some of the popes of that time were initially Cluny’s monks. (8) It was generated by the belief that the Judgement Day (that is, the end of the world) was close; so, the popes wanted to present to God, when the Day will come, a perfect Church, without any blur. After the year 1000 and 1033 passed it seemed obvious that the Judgement Day was not to come very soon. So, the task of Papacy was different now - the popes took the mission of moderating the excesses of the sovereigns in the hope that this way the Christendom, stronger inside, will win new territories and the kingdom of Christ will be recognised all over the world. The "Sancta res publica Christiana" or "civitas terrena spiritualis", described by St. Augustine in "De civitate Dei" was to be built. This was not an easy thing to do.
The papal reforms began with Leo IX  (1049-1054) and had to deal with a difficult situation. The lay investiture of bishops made them rather a part of the secular  power - they were important officials of the kings and emperors - than of the ecclesiastical hierarchy. (9) Two other problems had to be solved - corruption and clerical marriage. The first one is also known as simony - the practice of buying ecclesiastical offices; the second, as nicolaism. Another issue was the election of popes. All these were eventually overcame by the Papacy - but the transit  led to conflicts with the secular  power. It is surprising that the pope who begun the reforms, Leo IX,  was German - since the synod of Sutri, in 1046, when Henry III deposed Gregory VI under the charge of corruption and replaced him with Clement II (1046-1047) the popes have been German and naturally devoted to the emperor. Pope Nicholas II (1059-1061) however, moved in another direction and made the election of pope purely ecclesiastical, leaving the emperor with no means of interference - a council held in  1059  decided that a council of cardinals will elect the new pope; until then the election was made by the people and clergy of Rome. Only one year after his election Gregory VII condemned in a Roman council both simony and nicolaism (1074). The last step was made in 1075 when a papal decree forbade prelates to receive their churches from lay rulers.
 During this time Henry IV had his problems too. His father, Henry III, died when he was still a child (1056) and was not until 1066 that Henry IV began to rule the Empire by himself. The relations between the young king and the recently elected pope were tensioned from the beginning - Henry gave the lay investiture to a new archbishop of Milan who was not recognised by the pope (1071). As a way of making pressures on Henry the pope excommunicated five imperial counsellors, but the revolt which occurred in Saxony put an end to this tension (1073). Supported by the pope Henry managed to defeat the revolt, and admitted his errors. He promised to Gregory that he will sustain the papal actions, and Gregory, confused by this statement, accepted the reconciliation . The events of 1075 showed that the agreement could not last - the decree against lay investiture was more than Henry could take and Dictatus Papae (10) sounded like a war declaration. Henry did not follow the decree and the pope replied in a letter send at December 8, 1075. There was no way out - the emperor could not give away his right of lay investiture of bishops, because they were too important to him as a part of the administration of Empire. On the other hand this was a crucial problem for the pope too, as a way of imposing the primacy of the Holy See. In an assembly held at Worms Henry and some of the German bishops condemned Gregory as an usurper and commanded him to descent from the Apostolic See (January 24, 1076). Gregory acted in the same manner and in a Roman synod he excommunicated Henry and the bishops allied with him (February 22, 1076).
 The excommunication gave to Henry’s opponents an opportunity to move against him. Lampert of Hersfeld describes in vivid words the feeling of hostility against Emperor Henry IV which developed after the beginning of
the open conflict with Papacy. The result was that the princes of Germany gathered in an assembly at Tribur (October 1076) and decided to ask Gregory to come to Augsburg to solve the problems of the Empire; Henry was given an ultimatum to reach an understanding with Pope Gregory until February 22, 1077 (the anniversary of one year since the papal banning and excommunication). The emperor was waiting with his army at Oppenheim, just opposite Tribur, across the Rhine; but the forces of the German nobility, led by his old adversaries, Welf of Bavaria, Rudolph of Swabia, Berthold of Carinthia were too strong to risk a confrontation. So Henry obeyed to the decision and promised to come to terms with Gregory - in a letter to him he offers a reconciliation (Promissio Oppenheimensis). Then he headed for Italy to meet with the pope and beg forgiveness, the only way of getting the papal absolution - without it, he had to face the  threat of deposition, according to the terms of the ultimatum. The pope was already on his way to Augsburg and he met Henry at Canossa, in Lombardy. After three days of humiliating penitence he was finally forgiven - forgiveness was supposed to be one of the main virtues of pope as God’s vicar on earth. At that moment Henry, though humiliated at Canossa, was again the legal emperor and this left the German nobility with the feeling that pope betrayed them. They continued the fight against Henry electing Rudolph of Swabia as emperor (at Farcheim, March 1077). The civil war led to a new conflict between pope and emperor - Gregory excommunicated Henry for the second time and predicted his death within a year (March 7, 1080). (11) But Henry deposed Gregory in a synod at Brixen and replaced him with the Archbishop of Ravenna, who became Pope Clement III and defeated Rudolph at Hohenmalsen (October 1080). Rudolph died, wounded, at Rheinfelden, and  was replaced by another anti-king, Count Hermann of Salm; yet Henry defeated him also and the revolt was silenced. The emperor continued his policy against Papacy and invaded Italy in 1081; in 1084 he conquered Rome and put his anti-pope on the chair of St. Peter. However Gregory regained Rome in 1084 with the help of Robert Guiscard and his Normans; but he died shortly after, in 1085. Henry followed him in 1106; but the conflict will come to an end only in 1122, when Henry V and Calixt II signed the Concordat of Worms, a compromise in which the emperor gave up his right to lay investiture in return for the right to receive homage from the bishops and abbots invested by the pope. This is the story of the conflict on the lay investiture - behind it, one can trace an even more dramatic one. It is the story of the contest for supremacy, between spiritual and secular power.

 The two theories about supremacy in the Christian World were based on the same grounds - they were both religious demonstrations, as both  Henry and Gregory stated that the source of their power was divine. It had to be so because the medieval society was built on Christian traditions (see supra). But the competitors used religion in own purpose, interpreting the theological arguments as they thought that will be best for them. The authorities were the same - The Bible, St. Augustine, Pope Gelasius, St. Benedict. What was different was the way the theological arguments were put together in a coherent scheme - and only this feature gave the originality of each theory. On the other hand, to say that the contest was carried by  only two players would be unrealistic. The papal view was more coherent, but even so it is obvious that some of his counsellors took part in elaborating the
theory of papal supremacy. The Emperor was not alone either - among the scholars who supported him two names ought to be mentioned. The Italian Bishop Benzo of Alba  developed the idea that the unity of Christendom centres in the emperor, the successor of the Caesars. (12) This vision uses not only Christian traditions but also Roman - that is, pagan -  or, as Christopher Brooke put it: "statesmen of ancient Rome, Charlemagne and others form the background and support to the empire of Henry III and Henry IV". (13) The "Norman Anonymus" also known as the "Anonymus of York" is another important authority who sustained the primacy of spiritual power upon the secular power - he considered that because of the rite of anointing the kings became Christ’s vicars, therefore more important than priests. (14) These opinions made the debate more diverse, but their historical value cannot be compared with that of the theories elaborated by Gregory and Henry.
 The are many documents - especially letters - containing religious and theological arguments provided by each part in order to demonstrate that justice was on their side. A certain evolution can be noticed, as the style of the letters was changing as the result of the political developments: peaceful at the beginning, the discussion became violent, with moments of decrease when Henry and Gregory tried to come to terms. (15)
 In two letters addressed in the year of his election as pope Gregory announces his policy towards the Empire’s affairs. The political context was favourable to Gregory, as Henry was confronted with the Saxon revolt. In the first letter, to Duke Godfrey of Lorraine (may 1073), he makes use of biblical quotes to show that he will not tolerate an unfitting attitude of the Emperor.
 "But if - which God forbid ! - he shall repay our love with hate and show contempt towards Almighty God for the high office conferred upon him, then may the judgement which declares, ‘Cursed be he that keepeth back his sword from blood !‘ not fall upon us in the providence of God. For we are not free to set aside the law of God for the sake of any person, neither to draw back from the path of rectitude for any favor of men, according to the word of Apostle, ‘If I were still pleasing men I should not be a servant of Christ‘."(16)
This may be regarded as the beginning of what will be an important feature of Gregory’s letters - the very frequent appeal to Bible. The spirit of the Apostles was a source of inspiration for Gregory, who permanently tried to follow the principles who led St. Peter; but the presence in this early letter of a quote from the Old Testament - from Jeremiah -   has also a special meaning - it has been asserted that the main authority for Gregory was the Old Testament. (17)
The other letter, send to Duke Rudolph of Swabia in september 1073, reaffirms the principles exposed in the letter to Duke Godfrey, and has also references to Bible. (18)
 Even though not directly addressed to Henry, Dictatus Papae is the most relevant document for Gregory’s policy. The sentences in the document put pope above all kings - he has the right to depose them, to absolve their vassals of any oath of fidelity to them, he is the only one entitled to give investiture to bishops. (19) More than that, he is the unchallenged authority of Christendom, and there are practically no limits to his power.(20)  The source of this power is God Himself (21) - the pope is His vicar as successor of St. Peter.
 The idea of the divine origin of papal authority is exposed in Gregory’s letter to Henry from December 8, 1075. The pope talks about "the stewardship committed to us by St. Peter, prince of the Apostles". He identifies the Church with St. Peter, whose successor he is, and asks Henry to act with deference towards the Holy Church, because any crime against it is a crime against God. To disobey the pope’s word means to disobey God:
 "It would have been becoming to you, since you confess yourself to be a son of the Church, to give more respectful attention to the master of the Church, that is, to Peter, prince of the Apostles. To him, if you are of the Lord’s flock, you have been committed for pasture, since Christ said to him:
‘Peter, feed my sheep‘ and again: ‘To thee are given the keys of Heaven, and whatsoever thou shalt bind on earth shall be bound in Heaven and whatsoever thou shalt loose on earth shalt be loosed in Heaven‘. Now, while we, unworthy sinner that we are, stand in his place of power, still whatever you send to us, whether in writing or by word of mouth, he himself receives, and while we read what is written or hear the voice of those who speak, he discerns with subtle insight from what spirit the message comes. Wherefore Your Highness should beware lest any defect of will towards the Apostolic See be found in your words or in your messages and should pay due reverence, not to us but to Almighty God, in all maters touching the welfare of the Christian faith and the status of the Church. And this we say although our Lord deigned to declare: ‘He who heareth you heareth me; and he who despiseth you despiseth me‘."(22)
 An interesting correlation can be drawn between the sentence in Dictatus Papae who declares "That he who is not at peace with the Roman church shall not be considered catholic" and the rhetoric question from this letter "To him, [that is, to St. Peter, and indirectly, to his successor, the pope] if you are of the Lord’s flock, you have been committed for pasture". The sine qua non condition for belonging to Christendom was to obey the pope, or as Gregory said in the same letter "there is no other way of salvation and eternal life for the flock of Christ and their shepherds except that shown by him who said: ‘I am the door and he who enters me shall be saved and shall find pasture‘. This was taught by the Apostles and observed by the holy fathers and we have learned it from the Gospels and from every page of Holy Writ."(23)
 To these arguments Henry responded with others, of the same nature. He wrote to Gregory, calling him with the name he used to have before being elected pope, Hildebrand, and announced him that according to the decision of the assembly of Worms he revokes "every prerogative of the papacy which you seemed to hold, and ordering you to descent from the throne of the city whose patriciate is due me through the bestowal of God and the sworn assent of the Romans."(24) Henry declared war not to Papacy or Church - that would have been inconceivable. He merely contested the right of Gregory to be  pope, and acting as patrician of the Romans and according to the decision of the nobles and bishops assembled at Worms, he deposed him. This course was legitimated by the will of God - and it could not have been otherwise. The emperors view is exposed in the letter from January 22, 1076, in which Gregory is condemned as an usurper and is asked to descend from the Apostolic See.
 Henry motivates his action by the disasters brought to the Church by Gregory. His position is very clear - he has been chosen by God to rule on earth, and now he has to restore the rightful order disturbed by Gregory and his "innovations":
 "Henry, King not by usurpation, but by the pious ordination of God, to Hildebrand now not pope, but false monk:
You have deserved such a salutation as this because of the confusion you have wrought; for you left untouched no order of the Church which you could make a sharer of confusion instead of honour, of malediction instead of benediction."(25)
 Henry quotes from St. Gregory charging the pope that he thought himself above all other men, despising the opinions of the archbishops and bishops, and using his position as pope only to ruin the Holy Church:
 "You have judged that all these know nothing, while you alone know everything. In any case, you have sedulously used this knowledge not for edification, but for destruction, so greatly that we may believe Saint Gregory, whose name you have arrogated to yourself, rightly made this prophecy of you when he said: ‘From the abundance of his subjects, the mind of the prelate is often exalted, and he thinks he has more knowledge than anyone else, since he sees that he has more power than anyone else’."(26)
 This a shrewd attack to a man who showed very little of what should be an essential Christian virtue: modesty. But Henry’s main argument was that he alone, and not Gregory, was God’s vicar on earth. He was rightful king while Gregory wasn’t legal pope; but more than that he was by no means subject of a pope, even if the pope would be legally elected. This is in fact the theory of emperor’s supremacy over pope - the latter has only spiritual authority and is not entitled to interfere in the political affairs of the former.  Henry made this very clear, charging Gregory of plotting against  him:
 "You dared to threaten to take the kingship away from us - as though we had received the kingship from you, as though kingship and empire were in your hand and not in the hand of God."(27)
 The most important difference is not that, as Henry says: "Our Lord, Jesus Christ, has called us to kingship, but has not called you to priesthood."(28) What matters is that the king is chosen by God, with whom he establishes a special relationship through the rite of anointing; he is consecrated by God and he should be respected. It is what Henry, using the very words of St. Peter, reproaches to Gregory:
 "The true pope Saint Peter also exclaims,‘Fear God, honour the king’. You however, since you do not fear God, dishonour me, ordained of Him"(29)
 If Gregory asserted that a crime against him was a crime against God, Henry gave him a reply through this sentence. Henry also claimed that he was not  subject to papal jurisdiction, and appealed to the Christian tradition in order to emphasise that an emperor, rightful or not, was beyond papal political authority:
 "You have also touched me, one who, though unworthy, has been anointed to kingship among the anointed. This wrong you have done to me, although as the tradition of the holy Fathers has taught, I am to be judged by God alone and I am not to be deposed for any crime unless - may it never happen - I should deviate from the Faith. For the prudence of the holy bishops entrusted the judgement and the deposition even of Julian the Apostate not to themselves, but to God alone." (30)
 The emperor ends his letter with another major allegation against Gregory, that of heterodoxy, and commands him to descend from the Holy See and to leave another to mount to the throne of St. Peter, one who will teach the pure doctrine of St. Peter.
 The next important document is the one announcing the deposition and banning of Henry (February 22, 1076). In fact, it is an invocation to St. Peter, justifying the excommunication - Gregory asserts that all the Christian people owe him obedience, and this was established by divine order, through St. Peter: "it is and has been thy will, that the Christian people especially committed to thee should render obedience to me". (31) The pope has a mission on earth and since Henry rebelled against Papacy he shall be deprived of his crown. The entire theory is based on the divine origin of pope’s power, a power which, unlike lay sovereigns’, reaches not only on this world, but also in Heaven. This is the particular feature of papal authority - "To me is given by thy grace the power of binding and loosing in Heaven and upon earth". (32) In view of this, the excommunication is an act of justice, and it is also meant to restore the prestige of the Holy See and of St. Peter himself, severely affected by Henry’s actions - and the last statement of the letter, a paraphrase of one of Gregory’s favourite quotes, illustrates it perfectly: "I bind him in the bonds of anathema in thy stead and I bind him thus as commissioned by thee, that the nations may know and be convinced that thou art Peter and that upon thy rock the son of the living God has built his Church and the gates of hell shall not prevail against it."(33)
 As the conflict became open, the ideological debate got sharper. In his encyclical letter to the German bishops (1076) Henry develops his theory, providing new arguments in support of his view. Gregory is accused to have taken for himself both priesthood and kingship - because he deposed the emperor - and both by usurpation, or, as Henry says, "without God’s knowledge". Henry argued that according to the words of Christ these two should be separated, and attempting to change that was a heresy. He quotes the metaphor of the two swords - that is, secular and spiritual power - which, separated, should be enough for the protection of Christianity: "In his Passion, the Saviour Himself meant the figurative sufficiency of the two swords to be understood in this way: When it was said to him, ‘Lord, behold there are two swords here‘, He answered, ‘It is enough’, signifying by this sufficient duality". (34) The letter continues with a long list of what Henry considered to be Gregory’s crimes against Church and Empire.
On the other hand, Gregory’s efforts to gain adherents were intense too. He especially tried to convince as many of the German bishops and princes that by supporting Henry they were committing a crime against the divine order. In one of his letters from 1076, addressed to "all bishops, dukes, counts and other defenders of the faith in Germany" he describes his struggle, since he was only a deacon, to temperate Henry’s tendency to disobey the regulations of the Holy Church; but in spite of the sins he was guilty of, Gregory was willing to forgive him, if he would return to a respectful policy towards St. Peter’s church - forgiveness was considered to be an important virtue for any Christian, and the pope was expected to set an example in this matter. Far more interesting for the theological background of the conflict is Gregory’s  letter from July 25, 1076, addressed to the same German magnates. Once again he motivates his policy against Henry by the necessity to defend the faith and the Church, according to his mission on earth. Not interfering would meant to agree to Henry’s actions, considers Gregory and he quotes "He who does  not oppose evil men out of regard for his station gives his consent; and he who removes not that which ought to be cut off is guilty of the offense". (35)To Henry’s statements Gregory replies by underlining the gaps between emperor’s declarations and actions - "as the Apostle says, ‘They profess that they know God; but in works they deny him‘." (36) The issue of pope’s responsibility for the welfare of Christendom, which entitles him to impose his will even on kings and emperors, occurs in the letter to Bishop Hermann of Metz from August 25, 1076. In his attempt to determine Hermann to join the battle against Henry, the pope reminds him  the words of St. Peter who instructed the defenders of the faith to be "prompt to punish every disobedience". Gregory asserts that  ecclesiastical offices are above lay offices, or, as pope Anastasius said: "If you compare the episcopal dignity with the splendor of kings and the crowns of  princes, these are far more inferior to it than lead is to glistening gold". (37) He returns to one of his favourite phrase from the New Testament and concludes that when God commended his Church to St. Peter he did not make an exception for kings; so, his authority as pope reaches over them too - it is in fact the same idea with that presented in the document announcing the deposition and excommunication of Henry (see supra).
 The Canossa events and the momentary agreement between the two parties led to a short interlude in the debate. It is worth mentioning, however, a certain  episode which occurred at Canossa, after Henry’s oath. Both Lampert of Hersfeld and Berthold of Reichenau narrate that Henry, being asked by the pope to taste the sacred wafer if he knew that he is innocent of all the accusations brought against him, and this way clear himself, hesitated and finally avoided the ordeal, under the excuse that, without the accord of the people who charged him of this crimes the effect of such test would be destroyed.(38) The story may be real or not; the emperor may have feared the result of the ordeal, and the idea of making a false oath to God probably terrified him - but the existence in chronicles of such record, genuine or not, perfectly illustrates the religious mentality of the medieval people .
 The break lasted only a couple of years.  In his second deposition of Henry IV, from March 7, 1080, Gregory makes a short story of the conflict and reaffirms the supremacy of spiritual power over secular power. He invokes the authority of St. Peter and St. Paul, asking them to punish, through his hand, the crimes committed by Henry:
 "And if ye judge spiritual offices what are we to believe of your power in secular ones ? And if ye shall judge angels, who rule over all proud princes
how will it be with those subject to them ? Let kings and all secular princes now learn how great ye are and what your power is; and let them dread to disregard the command of your church."(39)
 It is noticeable a certain enlargement of the papal view - until then, his main aim was to declare his superiority over the emperor, although he implied that all secular princes were subject to his authority; now, he is more direct in his statements towards secular power as a whole.
 The emperor’s reply was the decree of the Brixen synod (1080) - a survey of Gregory’s crimes as pope, bringing nothing new in the theological debate. Two documents from this stage of the contest are however relevant from this point of view: Gregory’s letter to Hermann of Metz, from March 15, 1080, and Henry’s letter to the Roman cardinals (1082).  The first letter is perhaps  the most revealing document of the papal view, especially  because is a summary of the thesis presented in the previous attempts to persuade the Western Europe authorities - kings, dukes, counts, bishops - to join his position. But there are also new elements - among them the appeal to the examples set by great popes as Gelasius (492-496),  Julius I (337-352), Gregory I ( 590-604), in their quarrels with the secular power. The statement of Gregory I is the most direct, emphasising the importance of a papal decisions, and is also had a reference to the circumstances of Henry’s deposition:
 "If any king, priest, judge or secular person shall disregard this decree of ours and act contrary to it, he shall be deprived of his power and his office and shall learn that he stands condemned at the bar of god for the wrong that he has done."(40) Gelasius is another authority used by Gregory, and the passage selected is from a famous letter send to Emperor Anastasius, in which is developed the theory of the divine origin of Papacy, theory  which occurs often in Gregory’s correspondence and speeches. (41) This letter makes clear that Gregory was by no means original in his argumentation, although the extent of his political aims and  achievements  cannot be compared with that of the previous popes. The sources of his political thinking appear very clear from this document, which sometimes brings a somewhat surprising vindictive tone towards lay sovereigns:
 "Who does not know that kings and princes derive their origin from men ignorant of God who raised themselves above their fellows by pride, plunder, treachery, murder - in short, by every kind of crime - at the instigation of the Devil, the prince of this world, men blind with greed and intolerable in their audacity ?"(42)
 The letter contains other theological proofs common with those from Gregory’s previous documents - including the famous words of the Saviour to St. Peter, in fact the source of papal doctrine.
 Henry’s response in the letter to the Roman cardinals shows his ability
of using the same kind of arguments. His attack is directed to the pope’s innovations expressed in Dictatus Papae, revealing the ultimate goals of Gregory’s policy - the unchallenged primacy over the Christian World. Once again Henry takes advantage of the errors made by his opponent, who did not profess the qualities of a Christian and did not follow the divine rule, although he was supposed to be the first one to do so, because of the position he had:
 "These are his very words, ‘That he ought to be judged by no one’. And his meaning is the same as if he had said: ‘He may do as he please’. But this is not the rule of Christ, where it is said, ‘He who is greater among you will be your servant’."(43)
 The documents presented here are only a very small part of the vast correspondence  of Gregory VII and Henry IV, as the theological arguments analysed are only the most relevant and frequent from the mass used in the debate. A debate which did not end with the death of Gregory and Henry, but was carried on by new actors in the following centuries, in spite of the fact that the "investiture controversy" was solved by the Concordat of Worms.

 It is difficult to draw a conclusion about the competition for supremacy in the Christian Commonwealth. This was a long and complex historical phenomenon, which involved politics and religion as well. Even in the political area the problems were complicated: Henry IV and Gregory VII fought for the right of investing bishops, but they also had among their goals the control over Italy, and perhaps the competition for primacy was considered at that time only as a secondary problem. In the religious field, the pope was concerned not only with the involvement of lay persons in the affairs of the Church, but also with the eradication of simony and clerical marriage - one of his first accusations against Henry was that of having contacts with men guilty of these crimes. The fact that the conflict Empire/Papacy continued after the settlement of the investiture controversy makes things even more puzzling. As for the theological debate, some features have already been analysed - their common divine source and nature, the appeal to the same authorities. Except for the particular points of each demonstration - the fact that both Gregory and Henry accused each other of various crimes and sins, most of them invented - the controversy can be reduced to a single issue: who was the one designated by God to take care of the affairs of Christendom, in other words who was God’s representative on earth, who was the chosen one ? Gregory quoted in hundreds of occasions the words by which Christ committed his Church - understood in the larger meaning of the community of the faithful people - to St. Peter and through him to all of the popes. His shrewd demonstration was supported by the tradition established by a long series of able popes, but even so he had to face the opposition of a lot of people who saw his reforms as dangerous innovations. On the other hand the emperor used every reference of any spiritual authority in order to stress that the divine will was that the two powers - symbolised by two swords - be separated, and, if there had  to be a primacy, that should be of the secular power. As general characteristic of both theories, it is noticeable the sometimes sophistically way to use the religious evidences.
 We cannot know which theory was right, and up to a point this is not a matter of importance. At that time it seemed that the political and not the religious arguments ended the conflict in Henry’s advantage. This doesn’t mean that the impact of the theological debate was null -  the simple fact that such a confrontation was considered necessary is relevant for the importance of religion in the political thinking of the Middle Ages. But  indeed the political force of Papacy was no match for the still very powerful Empire; the pope had spiritual authority and only this provided him with the means of interfering in the political issues. (44) However the final outcome was the Worms Concordat (1122), a compromise which makes it difficult to assert that either one of the rivals won the competition. What can be asserted is that religion and politics, Church and State, were not separated in the Middle Ages, and the extent of religious involvement in society was impressive.
 

NOTES

1.This study has first been presented at the VIIIth Annual Conference of the International Students of History Association, "Religion through history", Wroclaw 1997. I’m indebted to the participants at the workshop "Religion and politics" for their comments and criticisms.
2.And not only European - since Europe was identified with the Christian World the moral leader of the continent was, in fact, world’s higher authority.
3.Probably the roots of the political involvement of Papacy go back in the years of the barbarian invasions - it is notorious the episode of 452 when pope Leon I persuaded Attila not to attack Rome. The Roman Pontiff started to play an even bigger part on the political stage of the continent in the VIII-th century, using his moral authority in the Christian Commonwealth to support the Carolingians, in return for protection and formal recognition of his supremacy - the fact that Charlemagne received his imperial crown from the hands of pope Leon III strengthened the position of the Holy See.
4.The emperor laid siege on Rome and  temporary conquered the city (1084). With the military aid of the Normans led by Robert Guiscard the pope managed to get his town back - but the price he had to pay was heavy, because the Normans devastated Rome and terrified the inhabitants.
5.The conflict between Henry IV and Gregory VII is narrated in an impressive number of modern works. The classic English text, offering an introduction to the problem and a chronological history of the contest, is provided by the chapters in The Cambridge Medieval History, volume V, edited by J. R. Tanner, C. W. Previte - Orton, Z. N. Brooke, Cambridge, 1957.
6.Marc Bloch, Feudal Society, volume II, Chicago, 1974, p.390.
7.Jacques Paul, L’Eglise et la culture en Occident IX---e - XIIe siecles, vol. I - II, Paris, 1994.
8.And even the pope who initiated the First Crusade, Urban I, used to be Abbott of Cluny.
9."The characteristic feature of church order in the first half of the eleventh century was what the German historians have called Eigenkirchentum, a word which can best be rendered as the ‘privatisation‘ of churches. The old discipline had been superseded by a system of private rights, some held by laymen and others by clergy, but all perceived as the personal possession  of their holders." The Oxford Illustrated History of Christianity, edited by John McManners, Oxford, 1990, p. 197.
10.Dictatus Papae is a document discovered in the correspondence registers of Gregory - it contains 27 sentences and  most likely is only an index to an extended work in which Gregory declared the primacy of spiritual power upon secular power. (see infra).
11.The fact that this didn’t happen diminished pope’s credibility, and made the people wonder if he was indeed God’s representative on earth.
12.Christopher Brooke, Europe in the Central Middle Ages, Norwich, 1964, p. 273.
13.Ibid.
14.Ibid., p. 274.  The king is Christ’s ‘figura et imago‘.
15.A very good indication of the intensity of the debate is the addressing formula of the letters between these two, and also the names and terms used by each of them to designate the other in the letters to their adherents.
16.Ideas and Institutions in European History, edited by Thomas C. Mendenhall, Basil D. Henning, A. S. Foord, New York, 1964, p. 56.
17.The Cambridge Medieval History, volume V , p. 54.
18.This time from the New Testament. Ideas and Institutions in European History, p. 56.
19."3.That he alone can depose or reinstate bishops…12. That it may be permitted to him to depose emperors…16. That no synod shall be called a general without his order…27.That he may absolve subjects from their fealty to wicked men." The Middle Ages. Volume I Sources of Medieval History, edited by Brian Tierney, New York, 1970, p.116-117.
20."2. That the Roman pontiff alone can with right be called universal…9. That of the pope alone all princes shall kiss the feet…19.That he himself may be judged by no one…22. That the Roman church has never erred; nor will it err to all eternity, the Scripture bearing witness…26. That he who is not at peace with the Roman church shall not be considered catholic." Ibid.
21."1.That the Roman church was founded by God alone ." Ibid., p.116.
22.Readings in Medieval History, Volume II, edited by Patrick J. Geary, New York, 1992, p.261.
23.Ibid., p.262.
24.Ibid., p.277.
25.Ibid., p. 279.
26.Ibid.
27.Ibid.
28.Ibid.
29.Ibid.
30.Ibid.
31.Ibid., p. 263.
32.Ibid.
33.Ibid.
34.Ibid., p. 280.
35.Ibid., p. 267.
36.Ibid., p. 266.
37.Ibid., p. 278.
38.Ideas and Institutions in European History, p. 72.
39.The Middle Ages. Volume I Sources of Medieval History, p. 122.
40.The Traditions of the Western World, general editor J.H. Hexter, Chicago, 1976, p.198.
41.The essence of Gelasius ideas about spiritual and political authority is found in this letter: "Two there are, august emperor, by which the world is chiefly ruled, the sacred authority (auctoritas) of the priesthood and the royal power (potestas). Of these the responsibility of the priests is more weighty in so far as they will answer for the kings of men themselves at the divine judgement." Sources of Western Traditions, Volume I, edited by Marvin Peny, Joseph R. Peden, Theodore H. Von Laue, Boston, 1991, p.196. The resemblance with Gregory’s statements is striking, and it is obvious that he was deeply influenced by Gelasius, however his position being more radical, for he, unlike Gelasius, did not think that he should obey the emperor - on the contrary, the emperor should observe his regulations.
42.The Traditions of the Western World, p. 199.
43.Ibid., p.207.
44.The pope had the power of excommunicating whoever he thought necessary for the welfare of Christianity. But this power was by no means unlimited - because only a strong and able pope was able to act in this manner. The essential problem is that of the pope’s prestige  - if his influence upon Christianity was strong enough, he could have even a king excluded from this community. But if he was a controversial character the chances of his decision being fulfilled were small. People could ignore his words as well as obey them, because the pope didn’t have any military or political means of imposing his will. R.W. Southern asserted that: "There was no material arm to enforce these censure - they belonged essentially to the world of the spirit."R.W. Southern, The making of the Middle Ages, New Haven, 1966, p.133.
 
 


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