Leaders such as Al-Hasan ibn Ali, Muʿawiyah ibn Abi Sufyan, and ʿUmar ibn ʿAbd al-ʿAziz played key roles in shaping this period. Al-Hasan worked to maintain peace and unity among Muslims, while Muʿawiyah founded the Umayyad dynasty, bringing stability after years of conflict. Later, ʿUmar ibn ʿAbd al-ʿAziz became known for his justice and piety, earning the title of the ‘fifth righteous caliph.’ Learning about these leaders helps us understand how Islamic rule evolved after the early caliphs and teaches valuable lessons about peace, leadership, and justice.