Ramba uchiverenga ndima iyi - Kumabvazuva kweMediterranean, kunetsana pakati pevatengesi vokuGenoa nevokuVenetia muAcre kwakaguma nehondo yeSaint Sabas yakarwiwa kubva muna 1256 kusvika muna 1270. Mukati mokurwisana mauto omugungwa eGenoa akakundwa munhevedzano yehondo dzakarwiwa neVenice, uye naizvozvo vakashandisa kurwisa mapoka evatengesi panzvimbo pezvikepe zvehondo. Kukundwa kwakaipisisa kwakaitwa nePisa neVenice kwakatadzisa vaGenoa kuita zvavaida, asi kwakatungamirirawo kusikwa kweuto rehondo rakanga rakatsaurirwa kuGenoa. Ngarava dzakakura dzakavakwa, vakuru vakuru vehondo vakapiwa simba rakawanda, uye varwi vehondo vaiva nesimba vokuGenoa vakawedzerwa kuvashandi vengarava dzehondo dzokuGenoa. Apo hondo yechitatu yakatanga pakati pePisa neGenoa, ngarava dzeGenoa dzakavakwazve dzakawana rukundo rukuru paHondo yeMeloria muna 1284
, umo vaGenoese vakabata 37 Pisan galleys uye 9000 vafambisi vengarava. Hondo yacho yakaita kuti Genoa ive simba guru guru rengarava muWestern Mediterranean.