The commercial rivalry between the Republic of Venice and the Byzantine Empire and the living memory of the Massacre of the Latins did much to exacerbate the feeling of animosity among the Venetians towards the Byzantines . According to the Chronicle of Novgorod Doge Enrico Dandolo had been blinded by the Byzantines during the 1171 expedition to Byzantium and thus held personal enmity towards the Byzantines
Massacre of the Latins
Massacre of the Latins
Fourth Crusade