Sultan Al-Mu'izz Al-Din Allah was a prominent ruler of the Fatimid Caliphate, reigning from 953 to 975 CE. He is best known for his efforts to expand the caliphate's territory and influence, particularly in North Africa and Egypt. His reign marked a period of cultural and economic prosperity, as he promoted trade and the arts. Under his leadership, the city of Cairo was established in 969 CE, which became the capital of the Fatimid Caliphate. Al-Mu'izz was also known for his religious tolerance, allowing various communities to coexist peacefully. His contributions significantly shaped the history of the region.