The Council of 869–70, convened at Constantinople under Pope Hadrian II and Emperor Basil I, stands at the nerve-centre of Dvornik’s exhaustive archival investigation into what he terms the Photian Legend. The council condemned Patriarch Photius and restored Ignatius, and Western canonists from the eleventh century onward designated it the ‘Eighth Oecumenical Council’—a classification Dvornik demonstrates to be historically spurious and canonically manufactured. The central tension in the corpus is ecclesiological: Rome’s reformist canonists, particularly Deusdedit, Anselm of Lucca, Ivo of Chartres, and ultimately Gratian, pressed the council’s canons into service for Gregorian reform agendas, conferring on it an oecumenical dignity that Pope John VIII had effectively annulled when he sanctioned the Photian synod of 879–80. Byzantine tradition, by contrast, consistently recognised only seven oecumenical councils, treating neither the Ignatian Council of 869–70 nor the Photian Council of 879–80 as an eighth. Dvornik traces how the Western designation was consolidated through editorial interventions in conciliar Acts, copied without critical scrutiny by Baronius, Bellarmine, and the major editors of conciliar collections through the eighteenth century. The term thus functions in the depth-historical corpus as a diagnostic marker of how institutional memory, canonical authority, and confessional polemic collaborate to sediment legend into authoritative tradition.
FALL OF PHOTIUS AND THE COUNCIL OF 869-70 a document which the Eastern bishops had been asked to sign on their abjuration of Acacius’ schism; only, it had been slightly enlarged by Hadrian’s Chancellery
Dvornik identifies the Council of 869–70 as the pivotal event of Photius’s condemnation, showing how the Libellus forced on Byzantine bishops fused an old doctrinal formula with a polemical assertion of Roman primacy.
, The Photian Schism: History and Legend, 1948thesis
the designation of Eighth Council given to the Ignatian Council of 869-70. This closed the incident and the other editors of the Conciliar Acts… had but to follow in the wake of the Western tradition set once for all by the canonists of the eleventh and twelfth centuries and by the Council of Constance.
Dvornik documents how editorial correction of the Florentine conciliar Acts definitively institutionalised the label ‘Eighth Council’ for the Council of 869–70, a designation then mechanically reproduced by all subsequent Western editors.
, The Photian Schism: History and Legend, 1948thesis
officially the Byzantine Church counted only seven oecumenical councils and that neither the Ignatian Council of 869-70 nor the Photian Council of 879-80 were numbered among them.
Dvornik establishes from manuscript evidence that the Byzantine Church never officially admitted the Council of 869–70 into its enumeration of oecumenical councils, confining that canon to seven.
, The Photian Schism: History and Legend, 1948thesis
The sentence, ‘because Pope Hadrian did not sanction it [the synod of 869-70]’, is an extract from the Greek edition of John VIII’s letter to Basil I.
Dvornik traces the legal argument that the Council of 869–70 lacked papal ratification to Photius’s interpretive use of John VIII’s letter, revealing the documental basis on which the council’s authority was contested.
, The Photian Schism: History and Legend, 1948thesis
With regard to the Photian Council, we may take it that it was never officially classed among the oecumenical councils as the Eighth Council by the Church of Byzantium and that, officially, it never admitted more than seven ecumenical councils.
Dvornik concludes that the Byzantine Church’s official position on the Council of 869–70 was consistent exclusion from the oecumenical canon, based on the council’s non-doctrinal and irenic character.
, The Photian Schism: History and Legend, 1948thesis
the Acts of the Eighth Council are naturally emphasized, and the oecumenicity of the Council is established by the famous profession of faith published by Antonius Augustinus, after which Baronius viciously turns on those who would refuse to range this council among the oecumenicals.
Dvornik shows Baronius weaponising the Acts of the Council of 869–70 and the profession of faith to enforce its oecumenical status, attacking dissenters including Mark of Ephesus.
, The Photian Schism: History and Legend, 1948supporting
The eighth synod is the fourth of Constantinople, held under the pontificate of Hadrian II and under the Emperor Basil, in the third year of his reign. The first session, as it was understood in the synod itself, was held in A.D. 870.
Bellarmine’s authoritative handbook codifies the Council of 869–70 as the Fourth Council of Constantinople and Eighth Oecumenical Council, illustrating the entrenchment of Western confessional tradition.
, The Photian Schism: History and Legend, 1948supporting
Deusdedit, being a conscientious canonist, hesitated, at least in some places, to give it the title ‘oecumenical’. In his Libellus Contra Invasores et Simoniacos, he writes: ‘Synodus vero pro Ignatio, quae a quibusdam octava dicitur….’
Dvornik reveals that even Deusdedit, a primary transmitter of the Council of 869–70’s canons into Gregorian reform literature, harboured reservations about calling it genuinely oecumenical.
, The Photian Schism: History and Legend, 1948supporting
they had a perfect right to use canons voted by a council where all the representatives of the patriarchates were assembled; they were considered faithfully to express the feelings of the Church and could therefore be quoted, notwithstanding the decision by Pope John VIII, who sanctioned the annulment voted by the synod of Photius in 879-80.
Dvornik argues that Gregorian canonists exploited the Council of 869–70’s canons for reform purposes while conveniently ignoring John VIII’s annulment of its acts in 879–80.
, The Photian Schism: History and Legend, 1948supporting
the chapter on the government of the Church, following the Liber Pontificalis, refers to Photius’ outbreak against Nicholas’ misdeeds, the convocation of his Council (867) and the reluctance of the bishops attending the Council of 869 to sign the Libellus.
Dvornik identifies Magdeburg Centuriators’ account of the reluctance of bishops at the Council of 869 to sign the Libellus as a persistent historiographical note in Western ecclesiastical history.
, The Photian Schism: History and Legend, 1948supporting
some anti-Latin Greeks called the Photian Council the eighth, others numbered neither the Ignatian nor the Photian Council among the oecumenicals, but made the Council of Florence the Eighth.
Agustín’s dialogue exposes the competing Byzantine and Western numbering schemes for the ‘Eighth Council,’ highlighting that the oecumenicity of the Council of 869–70 was actively disputed on multiple fronts.
, The Photian Schism: History and Legend, 1948supporting
canon XXII of the Council of 869-70, lib. 1, 85, fol. 22@, Nicholas’ letter to Michael II]. Fol. 187, Incipis praefatio: canones generalium conciliorum, enumerates the first four councils.
Dvornik traces the canonical transmission of specific canons from the Council of 869–70 into the Caesaraugustana Collection, documenting how the council’s legislation entered mainstream Western canon law.
, The Photian Schism: History and Legend, 1948supporting
Nicholas de Cusa frequently quotes passages from the Acts of the Eighth Council in support of his own thesis. He knows, however, no argument in favour of the oecumenicity of this Council other than the famous passage in Gratian’s Decretum.
Dvornik shows that even Nicholas of Cusa’s appeal to the Council of 869–70 rested solely on Gratian’s Decretum, underscoring the narrow canonical basis on which the council’s oecumenical status stood.
, The Photian Schism: History and Legend, 1948supporting
the truth is that Marinus II and Leo IX, in speaking of only seven oecumenical councils, were true to the tradition of the
Dvornik demonstrates that eleventh-century popes Marinus II and Leo IX acknowledged only seven oecumenical councils in official documents, evidence that the Council of 869–70 had not yet been formally canonised as the Eighth by the Roman Chancellery.
, The Photian Schism: History and Legend, 1948supporting
they erected to their own satisfaction the hypothesis that the Greeks once acknowledged the Eighth Council, although their canonists did not class it among the oecumenical councils, numbering it instead
Dvornik refutes the Latin polemical claim that Byzantium once recognised the Council of 869–70 as oecumenical, showing it was constructed from a biased anti-Photianist collection rather than from genuine Byzantine canonical tradition.
, The Photian Schism: History and Legend, 1948supporting
A copy of the Acts brought from Constantinople by the legates was kept in translation in the Lateran Archives, where the document hunters found it towards the end of the eleventh century.
Dvornik traces the archival history of the Acts of the Council of 869–70, explaining how Gregorian canonists discovered and selectively excerpted them for polemical deployment.
, The Photian Schism: History and Legend, 1948supporting
the Photian Councils of 859, 861, 879-80 are numbered among the local synods, but the so-called Eighth Oecumenical Council is omitted
Dvornik notes that certain Byzantine manuscript summaries of councils list Photian synods as local but omit the Council of 869–70 entirely, further evidencing its absence from the Eastern canonical tradition.
, The Photian Schism: History and Legend, 1948aside
Ad. ann. 870: Secundum quosdam octava synodus celebrata est
Dvornik cites a chronicle entry attributing to 870 the celebration of what some called the eighth synod, illustrating the Western annalistic tradition’s tentative adoption of the Eighth Council designation.
, The Photian Schism: History and Legend, 1948aside