What/who is khanate of the golden horde?

Golden Horde, also called Kipchak Khanate, Russian designation for the Ulus Juchi, the western part of the Mongol empire, which flourished from the mid-13th century to the end of the 14th century. The people of the Golden Horde were a mixture of Turks and Mongols, with the latter generally constituting the aristocracy

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Very useful. it is to learn because history repeats itself so learning about it those mistakes not happen again.