The Silver Dirham - The Power of ShahadahThe Arab, Ibn Fadlan and the Persian, Ibn Rustah both 10th century chroniclers recorded the first encounters between the very different Viking and Muslim worlds. Their Risalahs (travelogues) provide us today with valuable first hand knowledge of the Rus Vikings who lived along the Volga River during this period. It is a historical fact that, in their almost insatiable pursuit of silver, 10th century Viking tribes imported from far off Central Asia