أَلَمْ تَرَ كَيْفَ فَعَلَ رَبُّكَ بِأَصْحَـٰبِ ٱلْفِيلِ
Have you not considered how your Rabb dealt with the Army of the Elephant (reference is made to Abraha, a Christian king of Yaman, who attacked Makkah with the army of elephants in the year of the Prophet Muhammad's birth)?