Venice–Genoa War (1340s)

Timeline

1. 1341–1343Venice · VeniceVenice and Genoa escalated disputes over Byzantine tariffs, Black Sea grain, and control of spice routes, engaging in proxy struggles through diplomatic pressure and by backing each other's hostile factions.
2. 1344–1347Constantinople · ConstantinopleFleet clashes erupted repeatedly over control of the Galata quarter, Crimean trading posts, and Aegean sea lanes; Venetian fleets engaged in frequent blockades and counter-blockades, while the Byzantine emperor wavered between the two communes in exchange for military and financial aid.
3. 1348–1350Genoa · GenoaIn 1348 the Black Death spread in via Genoese trade routes, devastating both cities' populations and fleet manpower; large-scale naval battles markedly diminished due to plague and fiscal exhaustion, though commercial and political antagonism was not fundamentally resolved.