Complex sentence: The structure that would become known as Sankoré University began as a simple mosque, built around 989 AD on the orders of the city's chief judge Al-Qadi Aqib ibn Mahmud ibn Umar.
Split into simpler sentences: The structure that would become known as Sankore University began as a simple mosque. The mosque was built on the order of the city's chief judge Al-Qadi Aqib ibn Mahmud ibn Umar.