Sunni 'Ali's syncretism was soon challenged by the Muslim elites and scholars in Timbuktu, which was then a center of Islamic learning and civilization. The famous family of Agit, of the Berber scholars, had the post of the Grand Qadhi (Chief Justice) and was known for their fearless opposition to the rulers. In his lifetime, Sunni 'Ali took measures against the 'ulama of Timbuktu in 1469 and in 1486. But on his death, the situation completely changed and Islam and Muslim scholars triumphed. Muhammad Toure (Towri), a military commander asked Sunni 'Ali's successor, Sunni Barou, to appear before the public and make an open confession of his faith in Islam. When Barou refused to do so, Muhammad Toure ousted him and established a new dynasty in his own name, called the Askiya dynasty. Sunni 'Ali may be compared with Sundiata of Mali, and Askiya Muhammad Toure with Mansa Musa, a champion of the cause of Islam.