An immediate precursor of the controversy seems to have been a large submarine volcanic eruption in the summer of 726 in the
Aegean Sea between the island of
Thera (modern Santorini) and
Therasia, probably causing
tsunamis and great loss of life. Many, probably including Leo III, interpreted this as a judgment on the Empire by God, and decided that use of images had been the offense. The classic account of the beginning of Byzantine Iconoclasm relates that sometime between 726 and 730 the Byzantine Emperor
Leo III the Isaurian ordered the removal of an image of Christ, prominently placed over the
Chalke Gate, the ceremonial entrance to the
Great Palace of Constantinople, and its replacement with a cross. Fearing that they intended sacrilege, some of those who were assigned to the task were murdered by a band of
iconodules. Accounts of this event (written significantly later) suggest that at least part of the reason for the removal may have been military reversals against the
Muslims and the eruption of the volcanic island of
Thera, which Leo possibly viewed as evidence of the
Wrath of God brought on by image veneration in the Church. Leo is said to have described mere image veneration as "a craft of idolatry." He apparently forbade the veneration of religious images in a 730 edict, which did not apply to other forms of art, including the image of the emperor, or religious symbols such as the cross. "He saw no need to consult the Church, and he appears to have been surprised by the depth of the popular opposition he encountered".
Germanos I of Constantinople, the iconophile
Patriarch of Constantinople, either resigned or was deposed following the ban. Surviving letters Germanos wrote at the time say little of theology. According to Patricia Karlin-Hayter, what worried Germanos was that the ban of icons would prove that the Church had been in error for a long time and therefore play into the hands of Jews and Muslims. with icons supported by angels This interpretation is now in doubt, and the debate and struggle may have initially begun in the provinces rather than in the imperial court. Letters survive written by the Patriarch Germanos in the 720s and 730s concerning Constantine, the bishop of Nakoleia, and Thomas of Klaudioupolis. In both sets of letters (the earlier ones concerning Constantine, the later ones Thomas), Germanos reiterates a pro-image position while lamenting the behavior of his subordinates in the church, who apparently had both expressed reservations about image worship. Germanos complains "now whole towns and multitudes of people are in considerable agitation over this matter". In both cases, efforts to persuade these men of the propriety of image veneration had failed and some steps had been taken to remove images from their churches. Significantly, in these letters, Germanos does not threaten his subordinates if they fail to change their behavior. He does not seem to refer to a factional split in the church, but rather to an ongoing issue of concern, and Germanos refers to Emperor Leo III, often presented as the original Iconoclast, as a friend of images. Germanos' concerns are mainly that the actions of Constantine and Thomas should not confuse the laity. At this stage in the debate, there is no clear evidence for an imperial involvement in the debate, except that Germanos says he believes that Leo III supports images, leaving a question as to why Leo III has been presented as the arch-iconoclast of Byzantine history. Almost all of the evidence for the reign of Leo III is derived from textual sources, the majority of which post-date his reign considerably, most notably the
Life of St. Stephen the Younger and the
Chronicle of Theophanes the Confessor. These important sources are fiercely iconophile and are hostile to the Emperor
Constantine V (741–775). As Constantine's father, Leo also became a target. Leo's actual views on icon veneration remain obscure, but in any case, may not have influenced the initial phase of the debate. During this initial period, concern on both sides seems to have had little to do with theology and more with practical evidence and effects. There was initially no church council, and no prominent patriarchs or bishops called for the removal or destruction of icons. In the process of destroying or obscuring images, Leo is said to have "
confiscated valuable church plate, altar cloths, and reliquaries decorated with religious figures",
Ecumenical councils Copronymus Leo died in 741, and his son and heir,
Constantine V (741–775), was personally committed to an anti-image position. Despite his successes as an emperor, both militarily and culturally, this has caused Constantine to be remembered unfavorably by a body of source material that is preoccupied with his opposition to image veneration. For example, he is accused of being obsessive in his hostility to images and monks; because of this he burned monasteries and images and turned churches into stables, according to the surviving iconophile sources. In 754, Constantine summoned the
Council of Hieria, which was the first church council to concern itself primarily with religious imagery. Constantine seems to have been closely involved with the council, and it endorsed an iconoclast position, with 338 assembled bishops declaring, "the unlawful art of painting living creatures blasphemed the fundamental doctrine of our salvation--namely, the Incarnation of Christ, and contradicted the six holy synods. ... If anyone shall endeavor to represent the forms of the Saints in lifeless pictures with material colors which are of no value (for this notion is vain and introduced by the devil), and does not rather represent their virtues as living images in himself, etc. ... let him be
anathema." This Council claimed to be the legitimate "Seventh Ecumenical Council", but its legitimacy is now disregarded by both
Orthodox and
Catholic traditions as no patriarchs or representatives of the
five patriarchs were present: Constantinople was vacant while Antioch, Jerusalem, and Alexandria were controlled by Muslims, and Rome did not send a representative. of the
Seventh Ecumenical Council (17th century,
Novodevichy Convent,
Moscow) The iconoclast Council of Hieria was not the end of the matter, however. In this period, complex theological arguments appeared, both for and against the use of icons. Constantine himself wrote opposing the veneration of images, while
John of Damascus, a Syrian
monk living outside of Byzantine territory, became a major opponent of iconoclasm through his theological writings. It has been suggested that monasteries became secret bastions of icon support, but this view is controversial. A possible reason for this interpretation is the desire in some historiography on Byzantine Iconoclasm to see it as a preface to the later
Protestant Reformation in western Europe, which was opposed to monastic establishments. In opposition to this view, others have suggested that while some monks continued to support image veneration, many others followed church and imperial policy. The surviving sources accuse Constantine V of moving against monasteries, having relics thrown into the sea, and stopping the invocation of saints. Monks were forced to parade in the Hippodrome, each hand-in-hand with a woman, in violation of their vows. In 765,
St Stephen the Younger was killed, and was later considered a martyr to the Iconophile cause. A number of large monasteries in Constantinople were secularised, and many monks fled to areas beyond effective imperial control on the fringes of the Empire. Constantine's son,
Leo IV (775–780), was less rigorous, and for a time tried to mediate between the factions. When he died, his wife
Irene took power as regent for their son,
Constantine VI (780–797). Though icon veneration does not seem to have been a major priority for the regency government, Irene called an
ecumenical council a year after Leo's death, which restored image veneration. This may have been an effort to secure closer and more cordial relations between Constantinople and Rome. The new ecumenical council, ultimately called the
Second Council of Nicaea, first met in Constantinople in 786 but was disrupted by military units faithful to the iconoclast legacy and convened again at
Nicaea in 787. This council reversed the decrees of the previous iconoclast
Council of Hieria, and appropriated its title as
Seventh Ecumenical Council. Thus there were two councils called the "Seventh Ecumenical Council," the first supporting iconoclasm, the second supporting icon veneration. Unlike the iconoclast council, the iconophile council included papal representatives, and its decrees were approved by the papacy. The
Orthodox Church considers it to be the last genuine ecumenical council. Icon veneration lasted through the reign of
Empress Irene's successor,
Nikephoros I (reigned 802–811), and the two brief reigns after his.
Decree of the Second council of Nicaea On October 13, 787, the Second Council of Nicaea decreed that 'venerable and holy images are to be dedicated in the holy churches of God, namely the image of our Lord and God and Saviour Jesus Christ, of our immaculate Lady the Holy Theotokos, and of the angels and all the saints. They are to be accorded the veneration of honor, not indeed the true worship paid to the divine nature alone, but in the same way, as this is accorded to the life-giving cross, the holy gospels, and other sacred offerings' (trans. Price, The Acts of the Second Council of Nicaea [Liverpool 2018], 564-5, abbreviated). == The second iconoclast period: 814–843 ==