Shia Muslims was brought to the Indian subcontinent during the final years of the Rashidun Caliphate. The Indian subcontinent also served as a refuge for some Shias escaping persecution from Umayyads, Abbasids, Ayyubis and Ottomans. The immigration continued throughout the second millennium, until the formation of modern nation states. Shi'ism also won converts among the local population. Shia Islam has a long history and deep roots in the subcontinent. However, the earliest major political influence was that of the Shia dynasties in Deccan. It was here that the indigenous and distinct Shia culture took shape. After the conquest of Golconda by Aurangzeb in the 17th century, and subsequent establishment of hereditary governorship in Awadh after his death, Lucknow became the nerve center of