Ruled by a Doge, for 10 points, name this rival of Genoa, a maritime power in northeastern Italy on the Adriatic Sea.
This state made an alliance with the Kingdom of Jerusalem through the Pactum Warmundi, and the oldest history of it is provided by John the Deacon. This entity's dissolution was confirmed in the Peace of Leoben, and it had earlier defeated one of its rivals in the War of Chioggia. Pope Julius II initially organized the League of Cambrai to combat the power of this state, although it later fought alongside the papacy in the Battle of Lepanto. This polity's blind leader Enrico Dandolo had his rivals attacked in the Siege of Zara, and also diverted the Fourth Crusade in an attack on Constantinople. Ruled by a Doge, for 10 points, name this rival of Genoa, a maritime power in northeastern Italy on the Adriatic Sea.
This state made an alliance with the Kingdom of Jerusalem through the Pactum Warmundi, and the oldest history of it is provided by John the Deacon.
Most Serene Republic of {Venice} [or Serenissima Repubblica {di Venezia}]