Task: Text Categorization
Input (English): Geoffrey of Villehardouin wrote the principle account of this event and Fulk of Neuilly helped drum up support for it. Despite papal objections, it attacked and captured the Christian city of Zara and spent the winter there. After the death of Thibaut of Champagne, the leadership of the Crusade passed to Boniface of Montferrat. The future Alexius IV appealed to European kings on behalf of his father Isaac Angelus, leading Doge Dandolo to divert the crusade to Constantinople. For 10 points, name this 1202-04 crusade in which Venice sacked Constantinople.
Output (English): History