When Constantinople was sacked by the Fourth Crusade in 1204 , some fleeing artisans came to Venice .
Byzantine craftsmen played an important role in the development of Venetian glass , an art form for which the city is well known .
When Constantinople was sacked by the Fourth Crusade in 1204 , some fleeing artisans came to Venetian .
Byzantine craftsmen played an important role in the development of Venetian glass , an art form for which the city is well known .