Bashkir rebellion of 1662–1664
The Bashkir rebellion was one of the first major insurrection of the Bashkirs in the second half of the 17th century. == Causes of rebellion == Since the mid-16th century, the Bashkirs were vassals of the Tsardom of Russia.
Source: Wikipedia — Bashkir rebellion of 1662–1664 (CC BY-SA 4.0)