Vincent Hiribarren Historian, senior lecturer at King’s College London. Twitter Interview Africa. The Living Memory of the Usman Dan Fodio’s Caliphate Pierre Prier, Vincent Hiribarren · January 2020 In the 19th century, Africa’s largest State was a jihadi empire which lasted one hundred years. The Sokoto Caliphate and the name of its founder, the Fulani warlord and religious reformer Usman Dan Fodio, are still remembered in West Africa. Historian Vincent Hiribarren, lecturer at King’s (…)