Task: Text Categorization
Input (English): One of its later rulers effectively started ruling it after defeating a leader allied with Vytautus. One leader of this polity was defeated at the Battle of Kulikovo, while another ruler of it was assassinated after conquering Tabriz. In addition to Egidu, Mamai, and Jani Beg, one of its leaders sacked Moscow in 1382, and was named Tokhtamysh. The earlier military leadership of the general Subedei had helped it gain land along the Volga, though it was dealt a major blow when its capital Sarai Berke was sacked by Tamarlane in 1395. Originally consisting of Blue and White components, for 10 points, name this khanate first established under Batu Khan, perhaps named for the color of Batu's tent.
Output (English): History