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Peak of Pisa-Genoa Maritime Rivalry (1178)
In 1178, Pisa and Genoa's long rivalry peaked, with papal mediation failing to resolve disputes over eastern trade and island control.
Timeline
- 1176–1178Waters around Sardinia and Corsica · SardiniaPisa and Genoa clashed constantly over Sardinian quarries, Corsican ports, and convoy rights on eastern trade routes; merchant ships and warships intercepted each other, and armed maritime standoffs became routine.
- 1178Ports of Pisa and Genoa · TuscanyIn 1178 the fleets of both states were on high alert off Italy's western coast; Pope Alexander III urged ceasefire negotiations, but both sides held firm on island division and trade monopolies, and tensions persisted through year's end.
Sources
- Maritime republics https://www.britannica.com/topic/maritime-republic
- Genoa–Pisa relations https://en.wikipedia.org/wiki/Genoa%E2%80%93Pisa_relations