History of the Republic of Venice a powerful fleet sailed from Venice, to resolve the problem of the Narentine pirates. The fleet visited all the main Istrian and Dalmatian cities, whose citizen, exhausted by the wars between the Croatian king Svetislav and his brother Cresimir, swore an oath of fidelity to Venice. the Main Narentine harbours (Lagosta, Lissa and Curzola) tried to resist, but they were conquered and destroyed (see: battle of Lastovo). The Narentine pirates were suppressed permanently and disappeared. Dalmatia formally remained under Byzantine rule, but Orseolo became "Dux Dalmatie" (Duke of Dalmatia"), establishing the prominence of Venice over the Adriatic Sea. The "Marriage
Gulf of Ob Gulf of Ob The Gulf of Ob (also known as "Ob Bay") (, "Obskaya guba") is a bay of the Arctic Ocean, located in Northern Russia at the mouth of the Ob River. It is the world's longest estuary. The mouth of the Gulf of Ob is in the Kara Sea between the Gydan and Yamal peninsulas. It is about long and varies in width from about , and generally runs north and south. The gulf is relatively shallow, with an average depth from , which restricts heavy sea transport. The Taz Estuary is an eastern side-branch formed by the