The Sokoto Caliphate and Kanem-Borno Empire were in a very significant warm embrace as a single brethren bound by the bond of the Islamic faith last Friday when the 20th Sultan of Sokoto, Alhaji Muhammad Sa’ad Abubakar III, commissioned the Maiduguri Central Mosque completed during the reign of the 20th Shehu of Borno, the present Shehu, Alhaji Abubakar Ibn Umar Garbai Al-Kanemi.