The Usurpation of Sanctity: How Moscow Split from the Kyivan Metropolitanate (1354–1458)

According to this version, a supposedly unified church structure of Rus' split into two parts: Muscovite and Lithuanian. However, critical analysis of primary sources and canonical documents from the Patriarchate of Constantinople reveals a fundamentally different picture: it was not Kyiv that separated from Moscow, but rather Moscow that, using the political protectorate of the Golden Horde, usurped the title and jurisdiction of the Kyivan Metropolitanate, creating a parallel church structure.

This article aims to deconstruct the established narrative and restore historical justice through the prism of authentic documents from the 14th-15th centuries.

Historical Context: The Kyivan Metropolitanate after 1240

The Mongol invasion of 1240 dealt a devastating blow to Kyiv as the political and spiritual center of Rus'. Metropolitan Cyril II (1242-1281), while formally retaining the title "of Kyiv and All Rus'," actually resided in Vladimir-on-Klyazma. His successor Maximus (1283-1305) definitively transferred the see to Vladimir in 1299, citing the "desolation of Kyiv."¹

It is critically important to note that this relocation was viewed by contemporaries as temporary, necessitated by force majeure circumstances. The canonical status of Kyiv as the primatial city of Rus' was not questioned. However, Muscovite princes, beginning with Ivan Kalita (1325-1340), used the physical presence of the metropolitan on their controlled territory to gradually subordinate church administration to their political interests.

1354: An Attempt to Restore the Canonical Kyivan Metropolitanate

The first systematic resistance to Muscovite usurpation was organized by Grand Duke Algirdas of Lithuania (1345-1377). The greater part of the historical lands of Kievan Rus'—including Kyiv itself—was at that time part of the Grand Duchy of Lithuania. The situation was paradoxical when the "Kyivan" metropolitan resided in Moscow—a vassal of the Golden Horde—and attempted to govern eparchies located in independent Lithuania.

In 1354, Algirdas appealed to Patriarch Philotheos of Constantinople with a request to consecrate a separate metropolitan for the Orthodox lands of Lithuania. The Patriarch, understanding the complexity of the situation, consecrated Roman (1354-1362) as "Metropolitan of Lithuania."² Importantly, in patriarchal documents Roman is also named "of Kyiv," which emphasizes the continuity of his see from the ancient Kyivan Metropolitanate.³

Metropolitan Alexius of Moscow (1354-1378), appointed with active support from the Horde administration, immediately declared Roman a "schismatic" and launched an active campaign to discredit the Lithuanian metropolitanate. However, the canonical grounds for such accusations were highly dubious: Roman was consecrated by the legitimate patriarch, operated in territory where Muscovite authority had no jurisdiction, and represented the interests of the local Orthodox population.

The Canonical Dimension of the Conflict

From the perspective of canon law, the situation of 1354 created a precedent of dual jurisdiction. Formally, both metropolitans—Alexius and Roman—had the blessing of Constantinople. However, analysis of patriarchal charters reveals a significant difference:

Territorial legitimacy: Roman operated in lands that historically belonged to the Kyivan Metropolitanate and were politically subordinate to Lithuania. Alexius, on the other hand, claimed jurisdiction over territories beyond the bounds of the Principality of Moscow.

Canonical legitimacy: Roman's appointment occurred at the request of the local Orthodox ruler (Algirdas) and with the consent of local clergy. Alexius, by contrast, relied on support from the Horde and the Muscovite prince, ignoring the will of Lithuania's Orthodox population.

Historical legitimacy: Kyiv remained the nominal center of the metropolitanate. The fact that the Patriarch deemed it necessary to create a separate structure for the lands around Kyiv testifies to an awareness of the anomalous situation whereby the "Kyivan" metropolitan had effectively become "Muscovite."

1458: Final Recognition of Kyiv's Independence

Over the following century, the situation of "dual jurisdiction" persisted with varying success. Lithuanian metropolitans (Cyprian, Gregory Tsamblak) periodically received recognition from Constantinople, but Moscow, using diplomatic pressure and financial leverage, repeatedly secured the cancellation of these decisions.

The critical moment came in 1448 when the Principality of Moscow, without awaiting Constantinople's decision, independently elected Jonah as metropolitan. This was an act of de facto autocephaly—separation from the Universal Church. Paradoxically, it was Moscow, which accused Lithuania of "schism," that first violated canonical order.

In response to Muscovite lawlessness, Patriarch Gregory III Mammas of Constantinople in 1458 issued an official act on the restoration of the Kyivan Metropolitanate within the borders of the Grand Duchy of Lithuania.⁴ The new metropolitan was Gregory the Bulgarian, appointed at the recommendation of King Casimir IV Jagiellon.

The key point: the patriarchal documents of 1458 do not speak of "creating" a new metropolitanate, but of "restoring" (ἀποκατάστασις) the ancient Kyivan see.⁵ This is a fundamental difference: Constantinople recognized that the true heir of Kievan Rus' was the metropolitanate within Lithuania, not the Muscovite structure that had split from the canonical church.

Consequences of the Schism: Two Paths of Development

After 1458, the two branches of the once-unified Kyivan Metropolitanate took fundamentally different paths:

Kyivan Metropolitanate (within Lithuania, later the Polish-Lithuanian Commonwealth):

• Maintained canonical ties with Constantinople until 1686
• Developed theological education (Ostroh Academy, Kyiv-Mohyla Academy)
• Conducted active dialogue with Western Christianity while preserving Orthodox identity
• Created a powerful intellectual tradition (Peter Mohyla, Innocent Gizel, Lazar Baranovych)

Muscovite Metropolitanate (from 1589—Patriarchate):

• Proclaimed autocephaly de facto, severing ties with Constantinople
• Developed the ideology of "Third Rome," justifying its own exceptionalism
• Subordinated itself to secular authority (first to the Horde, then to the Tsars)
• Created a centralized but intellectually isolated structure

Historiographical Revision: Deconstructing the Muscovite Narrative

The Russian historical school, beginning with Karamzin and Solovyov, consistently promoted the thesis of Moscow's "natural" right to the heritage of Kievan Rus'. Key elements of this concept:

Translatio imperii: power and grace supposedly "transferred" from Kyiv to Vladimir, then to Moscow

Providentialism: the Mongol yoke was interpreted as a "trial," after which Moscow became the "gatherer of Russian lands"

Legitimism: Muscovite metropolitans were presented as the sole legitimate heirs of Kyivan ones

Critical analysis of sources refutes all three theses:

Translatio imperii has no canonical foundation. The metropolitan's relocation does not mean transfer of the see. Example: the Patriarch of Constantinople after 1453 did not become "of Istanbul."⁶

Providentialism ignores the fact that Lithuania also "gathered Russian lands," but without submission to the Horde. Moreover, it was Lithuanian princes who liberated Kyiv and other Rus' cities from the Horde's yoke.⁷

Legitimism contradicts patriarchal acts of the 15th century, which recognized precisely the Lithuanian metropolitans as heirs of the Kyivan tradition.

The Continuity of Struggle: From Brest to the Tomos

The conflict of 1354-1458 established a paradigm of confrontation that defines Ukrainian church history to this day:

1596 — Union of Brest: an attempt by part of the Kyivan Metropolitanate to find protection from Muscovite expansion through rapprochement with Rome.

1686 — illegal subordination of the Kyivan Metropolitanate to Moscow through bribery of Patriarch Dionysius IV of Constantinople. The current Ecumenical Patriarchate has recognized this act as invalid.⁸

1921 — attempt to create the Ukrainian Autocephalous Orthodox Church, suppressed by Soviet authorities.

2019 — granting of the Tomos of Autocephaly to the Orthodox Church of Ukraine. Ecumenical Patriarch Bartholomew directly stated this was "correcting a historical injustice."⁹

Each of these episodes is not a separate event but a link in the continuous chain of struggle to restore the canonical status of the Kyivan Church, usurped by Moscow in the 14th-15th centuries.

Conclusions: Who Split from Whom?

Analysis of primary sources and canonical documents allows for an unambiguous conclusion: in the 14th-15th centuries, what occurred was not a "schism" of the Kyivan Metropolitanate, but the usurpation of its title and jurisdiction by Moscow with a subsequent attempt by Kyiv to restore its legitimate rights.

Moscow, exploiting political circumstances (the Golden Horde's protectorate, Byzantium's weakness, Kyiv's decline after the Mongol invasion), created a parallel church structure, appropriated the title of the "Kyivan" metropolitanate, and later rewrote history, presenting itself as the sole legitimate heir of Rus'.

Kyiv, on the contrary, for centuries attempted to restore its canonical status, appealing to the Ecumenical Patriarchate and preserving the authentic tradition of Kievan Rus'. The fact that Constantinople in 1458, 1596 (partially), and 2019 recognized the legitimacy of Ukrainian church structures testifies that for the Universal Church, the true heir of ancient Kyiv is not Moscow, but Ukraine.

Understanding this historical truth is critically important not only for church history but also for the decolonization of Ukrainian consciousness in general. The Muscovite narrative about "unified Rus'" and "schism" is not merely a historiographical concept but an instrument of imperial domination that has been used for centuries to justify political, cultural, and spiritual expansion.

Notes

¹ Golubinsky, E.E. History of the Russian Church. Vol. 2. Moscow, 1900. Pp. 23-24.

² Acta Patriarchatus Constantinopolitani / Ed. F. Miklosich, I. Müller. Vol. 1. Vienna, 1860. Pp. 300-302.

³ Charter of Patriarch Philotheos from June 1354. Regesta and Byzantine Documents // Archive of Southwestern Russia. Part 1. Vol. 5. Kyiv, 1871. No. 3.

⁴ Act of Patriarch Gregory III from 1458 // Monumenta Ucrainae Historica. Vol. 9-10. Rome, 1971. Pp. 112-115.

⁵ Oikonomos, L. Τὰ σωζόμενα ἐκκλησιαστικὰ συγγράμματα. Vol. 2. Athens, 1864. P. 234.

⁶ Meyendorff, J. Byzantium and the Rise of Russia. Cambridge, 1981. Pp. 176-178.

⁷ Rowell, S.C. Lithuania Ascending: A Pagan Empire within East-Central Europe. Cambridge, 1994. Pp. 289-294.

⁸ Patriarchal and Synodal Decision on the Annulment of the Act of 1686. October 11, 2018 // Official Website of the Ecumenical Patriarchate.

⁹ Tomos of Autocephaly of the Orthodox Church of Ukraine. January 6, 2019 // Ecumenical Patriarchate Official Documents.