This polity's defeat at the Battle of Kulikovo under its ruler Mamai weakened it, and helped Tokhtamysh become its ruler.
Local governors within this entity were called Basqaqs by contemporary historians, and Algirdas' victory at the Battle of Blue Waters resulted in the loss of its westernmost lands. This polity's defeat at the Battle of Kulikovo under its ruler Mamai weakened it, and helped Tokhtamysh become its ruler. Sarai served as the capital of this polity, and its two largest subordinate entities were founded by Orda and Batu, the eldest sons of Jochi, who was himself the eldest son of Genghis Khan. For 10 points, name this Mongol entity in Russia which also included the Blue and White Hordes.
Local governors within this entity were called Basqaqs by contemporary historians, and Algirdas' victory at the Battle of Blue Waters resulted in the loss of its westernmost lands.
 Golden Horde [or Kipchak Khanate; or Ulus of Jochi; or Altan Ord; or Zolotaya Orda; prompt on “White Horde”; prompt on “Blue Horde”]