This order was brought to Senegal by El Hadj Umar Tall (1780-1840), who attempted to create an Islamic empire and organize all Muslims.[1][2] Though he largely failed during his lifetime, the order has since expanded greatly.[8] The Tijanis place a strong emphasis on Koranic education, and have created schools for girls as well.[7] There are three dynasties of Tijanis, depending on the marabout a following owes most allegiance to: the Sy and Niasse in Wolof and Serer, and the Tall in Tukulor.[7] The Niasses are sometimes seen as radical and a threat to Senegalese national authority, but Tijanis have otherwise maintained strong relationships with the Senegalese government.[7]