[4] Subsequent Egyptian rulers, from both the Ayyubid dynasty that he founded, and the Mamluk military caste that succeeded it, would continue his use of the heraldic eagle.
[5] The Egyptian revolutionaries of the Free Officers Movement under Mohamed Naguib and Gamal Abdel Nasser emblazoned on the eagle's breast the green field and white crescent and stars of the old flag of the Kingdom of Egypt and Sudan, and placed the eagle in the centre of the horizontal red-white-black bands of the revolution's Arab Liberation Flag.
[6] In so doing, they incorporated all four of the Pan-Arab colours of red, white, black, and green derived from the Rashidun, Umayyad, Abbasid, and Fatimad caliphates of Medina, Damascus, Baghdad, and Cairo respectively.
[9] Whilst the eagle was replaced at the centre of the Arab Liberation Flag by the two green stars, its status as the union's coat of arms meant that it appeared on all state buildings, documents, and uniforms.
In both policies and symbolism, Sadat was eager to depart from the path of his predecessor, Gamal Abdel Nasser, resulting in the adoption of a new coat of arms, and a modified flag, both of which excluded the colour green.