When the rule of Egypt and the Levant came to Ahmed Ibn Tulun (254-270 AH / 868-883 AD) and the Abbasid Caliphate recognized his independence (1), Ahmed Ibn Tulun was keen to appear as an independent ruler, and he confirmed this by building a new capital in the part located to the northeast of the cities of Fustat. And the military, and he called it Al-Qata'i, and it was a beautiful building. He made it a city with complete facilities, and built a large mosque in its center, which is known today as the Ahmed Ibn Tulun Mosque.