One ruler who mysteriously disappeared from this city’s Mokattam hills left behind only a donkey and bloody garments, and was known as the “mad caliph.” After his exile from Andalusia, Maimonides wrote the Mishneh Torah in this city’s suburb of Fustat, a previous capital which was absorbed by this city. An epithet of Fatima, which calls her “the luminous,” names this city’s Al-Azhar university. After the fall of Baghdad, the Abbasid Caliphate was restored in this city under the Mamluk Sultanate. The Ayyubid dynasty was founded (-5[1])in this city by Saladin after the fall of the Fatimid Caliphate. For 10 points, name this capital city of modern Egypt. (10[1])■END■