dār al-ḥikmah

… caliph al-Ḥākim set up a dār al-ḥikmah (“hall of wisdom”) in Cairo in the 10th–11th centuries. With the advent of the Seljuq Turks, the famous vizier Niẓām al-Mulk created an important college at Baghdad, devoted to Sunni learning, in the latter half of the 11th century. One of the world’s…