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   Qashan Principality
   Qashan Duchy was a Bolghar Duchy in today Tatarstan. After th Mongol invasion to Bolghar in 13th century it became independent on Volga Bulgaria. It was a vassal of Golden Horde. The capital was Qashan city. Population was agriculturists, citizens was craftsmen and tradesmen. In castles was found f...
   Found op http://en.wikipedia.org/wiki/Qashan_Principality
   
   

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