Earlier, this polity had turned Muscovy into a vassal state.
This polity fractured after its ruler Berdibek was assassinated. Uzbeg converted this polity to Islam. This polity ended the rival Chupanid dynasty by sacking their capital of Tabriz. This polity lost the Battle of the (*) Blue Waters to Grand Duke Algirdas, and its capital was Sarai. This polity was reunited by Toktamysh, who became its last ruler when he was vanquished by Tamerlane. This polity lost the Battle of Kulikovo to Dmitry Donskoi. Earlier, this polity had turned Muscovy into a vassal state. For ten points, name this Mongol horde that conquered Russia.
This polity fractured after its ruler Berdibek was assassinated.
{Golden Horde}