John the Deacon was a secretary to one ruler of this polity and wrote the earliest known chronicle of here. This polity gave up Morea in exchange for portions of Dalmatia in the Treaty of Passarowitz. Alexander VI organized the League of Cambrai to combat this polity, and it was dissolved as a result of the Treaty of Campo Formio. Enrico Dandolo of this polity successfully diverted the 4th Crusade to sack Constantinople, and ships supplied by this polity won a decisive victory at the Battle of Lepanto. It frequently sparred with the Ottoman Empire for control of the eastern Mediterranean. For 
John the Deacon was a secretary to one ruler of this polity and wrote the earliest known chronicle of here. This polity gave up Morea in exchange for portions of Dalmatia in the Treaty of Passarowitz. Alexander VI organized the League of Cambrai to combat this polity, and it was dissolved as a result of the Treaty of Campo Formio. Enrico Dandolo of this polity successfully diverted the 4th Crusade to sack Constantinople, and ships supplied by this polity won a decisive victory at the Battle of Lepanto. It frequently sparred with the Ottoman Empire for control of the eastern Mediterranean. For 10 points, name this "most serene" republic in northern Italy that like Genoa, was ruled by a doge.
John the Deacon was a secretary to one ruler of this polity and wrote the earliest known chronicle of here.
Republic of {Venice} [or Most Serene Republic of {Venice}]