A. Harun al-Rashid
B. Al-Mansur
C. Al-Mu'tasim
D. Al-Mamun
Answer: Al-Mamun
Which Muslim caliph is known for his establishment of the House of Wisdom in Baghdad?
Additional Information: Al-Mamun, the Abbasid caliph, established the House of Wisdom in Baghdad, which became a center for learning and scholarship.
Subjects: Famous Islamic Personalities, Islamiyat