the Great Horde under Küchük Muhammad advanced on Tana. Arsenio Duodo, the Venetian Consul to Tana sent Giosafat Barbaro as an emissary to the Tatars to persuade them not to attack Tana. Later, Barbaro was part of a group of less than fifty that drove off a hundred Circassian raiders.

The Tatars attacked Tana in 1442, setting fire to the Venetian quarter, though many of the