Byzantine–Genoese War (1348–1349)

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Byzantine–Genoese War (1348–49)
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Byzantine–Genoese War
Part of the
Bosphorus, Galata and Constantinople
Result Indecisive; opinions differ as to outcome.[1]
Belligerents  Byzantine Empire  Republic of GenoaCommanders and leaders Byzantine Empire John VI Republic of Genoa Giovanni I

The Byzantine–Genoese War of 1348–1349 was fought over control over

Bosphorus. The Byzantines attempted to break their dependence for food and maritime commerce on the Genoese merchants of Galata, and also to rebuild their own naval power
. Their newly constructed navy however was captured by the Genoese, and a peace agreement was concluded.

Background

The Genoese held the colony of

hyperpyra a year, with the rest going to Genoa.[2]

The empire was in no position to challenge the Genoese at sea, however. The Byzantine navy, a notable force in the Aegean during the reign of Andronikos III Palaiologos, was completely destroyed during the civil war. Thrace, the main imperial possession besides the Despotate of the Morea, was still recovering following the destruction of marauding Turkish mercenaries during the civil war. Byzantine trade was ruined and there were few other financial reserves for the Empire other than the duties and tariffs from the Bosphorus.[3]

The conflict

Map of Byzantine Constantinople, with Galata at the center-top.

In order to regain control of the custom duties, the emperor John VI Kantakouzenos made preparations to lower Constantinople's duties and most tariffs to undercut the Genoese in Galata. Faced with an empty treasury after the civil war of 1341–1347, the emperor was forced to raise 50,000 hyperpyra in private loans to quickly build up a fleet in anticipation of the coming conflict. When the tariffs and custom duties were finally lowered, merchant shipping coming through the strait bypassed Genoese Galata and diverted their ships across the Golden Horn to Byzantine Constantinople.

The Genoese, sensing the danger, began fortifying Galata in violation of their treaty with Byzantium.

plenipotentiaries from Genoa came and negotiated a peace agreement. The Genoese agreed to pay a war indemnity of 100,000 hyperpyra and evacuated the land behind Galata which they illegally occupied; last, they promised never to attack Constantinople. In return the Byzantines surrendered nothing, but the Genoese custom duties remained in effect.[1][5]

Aftermath

The failure of the Byzantines to expel the Genoese from Galata meant that they could never restore their sea power, and would thenceforth be dependent either on Genoa or Venice for naval aid. From 1350, the Byzantines allied themselves to the

at war
with Genoa. However, as Galata remained defiant, the Byzantines were forced to settle the conflict in a compromise peace in May 1352.

Notes

  1. ^ a b Ostrogorsky states the Byzantines lost this conflict, while Norwich believes they won.
  2. ^ Ostrogorsky, p.526-8.
  3. ^ Ostrogorsky, p.526
  4. ^ Nicol, p.96
  5. ^ a b Norwich, p.346
  6. ^ Ostrogorsky, p.528

Sources

  • .
  • Norwich, John. A Short History of Byzantium, Alfred A. Knopf Press, New York, (1997)
  • Ostrogorsky, George. History of the Byzantine State, Rutgers University Press, (1969)

Further reading

  • Duval, Ben (2019), Midway Through the Plunge: John Cantacuzenus and the Fall of Byzantium, Byzantine Emporia, LLC