The Fatimid general Jawhar al-Siqilli took to the pulpit in Fustat to lead the Friday prayer, a crucial moment symbolizing the completion of the Fatimid conquest of Egypt. This event followed a series of military campaigns initiated by the Fatimid dynasty, which aimed to spread Ismaili Islam and establish a caliphate that rivaled the Abbasids. The successful military engagements culminated in this public display of power and religious authority, showcasing the new regime's legitimacy under Caliph al-Mu'izz li-Din Allah. Fustat, being the first capital of Egypt post-conquest, served as the perfect backdrop for this significant religious event.As Jawhar ascended to lead the prayer, hundreds of soldiers and citizens gathered, marking a critical transition from mainstream Sunni Islam to the Ismaili beliefs promoted by the Fatimids. This ceremony not only reinforced the Fatimid hold on Egypt but also served to unify the local population under a new religious framework, thereby altering the socio-political landscape of the region. The innovative Fatimid approach towards governance included the incorporation of local customs and traditions, which facilitated smoother transitions and acceptance among the populace.The event’s symbolic nature bolstered the Fatimid dynasty's reputation, with Jawhar emerging as a prominent figure in Islamic history for his militaristic and political achievements. This led to the further consolidation of the Fatimid rule, setting the stage for future developments in Islamic governance, architecture, and learning in Egypt, which would flourish over the subsequent centuries.