 War of the Euboeote Succession

The War of the Euboeote Succession was fought in 1256–1258 between the Prince of Achaea, William II of Villehardouin, and a broad coalition of other rulers from throughout Frankish Greece who felt threatened by William's aspirations.The war was sparked by William's attempt to gain control of a third of the island of Euboea, which was resisted by the local Lombard barons ("terciers" or "triarchs") with the aid of the Republic of Venice.