Islamic Studies
Caliphate & Rulers: From the Rightly Guided Caliphs to the Ottoman Caliphate
What was the 'Bait-ul-Hikmah' (House of Wisdom)?
Explanation
Bait-ul-Hikmah (House of Wisdom) was the world's largest library and research center established in Baghdad during Harun ar-Rashid's era, promoting science, math, and philosophy.
Reference: Islamic Studies - Caliphate & Rulers
, Page 8