Though little remembered in the west today, the Abbasids reigned for five centuries. They oversaw an era of Islamic military dominance... city-building… brilliant scholarship, and technological ...

Courtyard of Ibn Tulun mosque in Cairo, Egypt. It was built in AD876 during the Abbasid dynasty. Muhammad later moved to the city of Medina and built a mosque (Islamic place of worship).

The scientific revolution in the Islamic Empire began after the establishment of the Abbasid dynasty in the 8th century. The emergence of the dynasty allowed the empire to settle down politically.