Surah Al-Kahf (18:83)

وَيَسْـَٔلُونَكَ عَن ذِى ٱلْقَرْنَيْنِ قُلْ سَأَتْلُوا۟ عَلَيْكُم مِّنْهُ ذِكْرًا

And they ask you about the possessor of the two horns. Say, “I will soon recite to you, from him, a mention.”