Shehu Usman dan Fodio (Uthman ibn Fudi) was the founder of the Sokoto Caliphate and a Qadiriyya scholar and reformer. Born in 1754, he died on 20 April 1817 (1232 AH). He is buried in Sokoto at the Hubbare Shehu, the royal mausoleum-cemetery adjoining the Shehu Mosque. (Sources: Wikipedia 'Usman dan Fodio'; Daily Trust 'Hubbaren Shehu Sokoto royal cemetery')