John VI Kantakouzenos or Cantacuzene (Greek: Ἰωάννης Ἄγγελος [Κομνηνός] Παλαιολόγος Καντακουζηνός, romanized: Iōánnēs Ángelos [Komnēnós] Palaiológos Kantakouzēnós; Latin: Iohannes Cantacuzenus; c. 1292 – 15 June 1383) was a Byzantine Greek nobleman, statesman, and general. He served as grand domestic under Andronikos III Palaiologos and regent for John V Palaiologos before reigning as Byzantine emperor in his own right from 1347 to 1354. Deposed by his former ward, he was forced to retire to a monastery under the name Joasaph Christodoulos (Greek: Ἰωάσαφ Χριστόδουλος, romanized: Joásaph Christódoulos) and spent the remainder of his life as a monk and historian. At age 90 or 91 at his death, he was the longest-lived of the Roman emperors. His two disastrous civil wars led to the loss of much of the remaining territory in the Balkans under Byzantine control to the Serbian and Bulgarian empires, but the most severe loss during his civil war was the loss of the Gallipoli peninsula to the Ottoman Turks, allowing the Ottomans to gain territory in Europe and setting the stage for the destruction of the Byzantine Empire a century later.
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👉 John VI Kantakouzenos in the context of Theodore I Palaiologos
Theodore I Palaiologos (or Palaeologus) (Greek: Θεόδωρος Α΄ Παλαιολόγος, romanized: Theodōros I Palaiologos) (c. 1355 – 24 June 1407) was despot (despotēs) in the Morea from 1383 until his death on 24 June 1407. A son of Emperor John V Palaiologos, Theodore was the first member of the Palaiologos dynasty appointed as the Despot of the Morea, following the final defeat of the rival Kantakouzenos clan, who under John VI Kantakouzenos had attempted to usurp rule of the Byzantine Empire.
Theodore conducted several military campaigns to expand his province, successfully annexing several Latin possessions that remained there since the aftermath of the Fourth Crusade. He died without known heirs and was succeeded as Despot of the Morea by Theodore II, a son of Emperor Manuel II Palaiologos.
- ⭐ Core Definition: John VI Kantakouzenos
- 👉 John VI Kantakouzenos in the context of Theodore I Palaiologos
- John VI Kantakouzenos in the context of John V Palaiologos
- John VI Kantakouzenos in the context of Gattilusio
- John VI Kantakouzenos in the context of Byzantine civil war of 1341–1347
- John VI Kantakouzenos in the context of Byzantine civil war of 1352–1357
- John VI Kantakouzenos in the context of Andronikos III Palaiologos
John VI Kantakouzenos in the context of John V Palaiologos
John V Palaiologos or Palaeologus (Greek: Ἰωάννης Παλαιολόγος, romanized: Iōánnēs Palaiológos; 18 June 1332 – 16 February 1391) was Byzantine emperor from 1341 to 1391, with interruptions. His long reign was marked by constant civil war, the spread of the Black Death and several military defeats to the Ottoman Turks, who rose as the dominant power of the region.
John V became emperor at age eight, which resulted in a civil war between his regent John VI Kantakouzenos and a rival council led by his mother Anna of Savoy, who pawned the crown jewels to Venice in order to raise funds. Kantakouzenos was recognized as emperor in 1347, coinciding with the arrival of the Black Death. Shortly after, another civil war erupted in 1352, with John V seeking help from Serbia against John VI's son Matthew and his enlisted Ottoman Turks. The Turks used the ensuing chaos to gain their first European territory on former Byzantine soil.
John VI Kantakouzenos in the context of Gattilusio
The House of Gattilusio was a Genoese noble family that ruled several lordships in the northern Aegean Sea between 1355 and 1462. Their rise began in 1354, when Francesco I Gattilusio assisted Emperor John V Palaiologos in regaining Constantinople from John VI Kantakouzenos. As a reward, Francesco married the emperor's sister Maria and received the island of Lesbos as her dowry.
From their base at Mytilene, the Gattilusi extended their authority to Imbros, Samothrace, Thasos, Lemnos, and the Thracian port of Aenus (modern Enez). Controlling these islands gave them a strategic role in safeguarding the sea routes between Constantinople and the Aegean and in defending the northern approaches to the Dardanelles.
John VI Kantakouzenos in the context of Byzantine civil war of 1341–1347
The Byzantine civil war of 1341–1347, sometimes referred to as the Second Palaiologan Civil War, was a conflict that broke out in the Byzantine Empire after the death of Andronikos III Palaiologos over the guardianship of his nine-year-old son and heir, John V Palaiologos. It pitted on the one hand Andronikos III's chief minister, John VI Kantakouzenos, and on the other a regency headed by the Empress-Dowager Anna of Savoy, the Patriarch of Constantinople John XIV Kalekas, and the megas doux Alexios Apokaukos. The war polarized Byzantine society along class lines, with the aristocracy backing Kantakouzenos and the lower and middle classes supporting the regency. To a lesser extent, the conflict acquired religious overtones; Byzantium was embroiled in the Hesychast controversy, and adherence to the mystical doctrine of Hesychasm was often equated with support for Kantakouzenos.
As the chief aide and closest friend of Emperor Andronikos III, Kantakouzenos became regent for the underage John V upon Andronikos's death in June 1341. While Kantakouzenos was absent from Constantinople in September the same year, a coup d'état led by Alexios Apokaukos and the Patriarch John XIV secured the support of Empress Anna and established a new regency. In response, Kantakouzenos' army and supporters proclaimed him co-emperor in October, cementing the rift between himself and the new regency. The split immediately escalated into armed conflict.
John VI Kantakouzenos in the context of Byzantine civil war of 1352–1357
The Byzantine civil war of 1352–1357 was an armed conflict resulting from and following the Byzantine civil war of 1341–1347. The war pitted Byzantine emperor John V Palaiologos against John VI Kantakouzenos and his eldest son Matthew Kantakouzenos. John V emerged victorious as the sole emperor of the Byzantine Empire, but the destruction brought about by the civil war left the Byzantine state in ruins.
John VI Kantakouzenos in the context of Andronikos III Palaiologos
Andronikos III Palaiologos (Greek: Ἀνδρόνικος Δούκας Ἄγγελος Κομνηνός Παλαιολόγος, romanized: Andrónikos Doúkās Ángelos Komnēnós Palaiológos; 25 March 1297 – 15 June 1341), commonly Latinized as Andronicus III Palaeologus, was the Byzantine emperor from 1328 to 1341. He was the son of Michael IX Palaiologos and Rita of Armenia. He was proclaimed co-emperor in his youth, before 1313, and in April 1321 he rebelled against his grandfather, Andronikos II Palaiologos. He was formally crowned co-emperor in February 1325, before ousting his grandfather outright and becoming sole emperor on 24 May 1328.
His reign included the last failed attempts to hold back the Ottoman Turks in Bithynia and the defeat at Rusokastro against the Bulgarians, but also the successful recovery of Chios, Lesbos, Phocaea, Thessaly, and Epirus. His early death left a power vacuum that resulted in the disastrous civil war between his widow, Anna of Savoy, and his closest friend and supporter, John VI Kantakouzenos, leading to the establishment of the Serbian Empire and the entry of the Ottoman Empire into the Balkans.