You mentioned " Muslim rule in Spain and literary achievements but instead you should have mention:
the glorious period of Abbasid dynasty in terms of literary advancement,
the " Bait-ul-hikmah" in Haroon rashid period which produced eminent scientists and phiolosophers,
the educational institution founded by nizam-ul-mulk i-e nizamiyah universities and then the Spanish institutions and advancement which ultimately laid the foundation of European Renaissance.