Alexander the Great in the Quran River in the Punjab in 326 BC, his army nearly mutinied and refused to march further east, exhausted by years of campaigning. Alexander's desire to reach "the ends of the Earth" was instilled by his tutor Aristotle: Alexander derived his concept of `Asia' from the teaching of Aristotle, for whom `the inhabited earth' was surrounded by `the Great sea' Ocean, and was divided into three areas – `Europe, Libya and Asia.' Thus the earth was not round but flat, and `Asia' was limited on the west by the Tanais (Don), the inland sea and the Nile, and on the east
Alexander the Great in the Quran one," is interpreted as a reference to Alexander the Great. The Quran's story describes Dhul-Qarnayn building a great barrier in order to enclose the nations of Gog and Magog who "do great mischief in the earth." A similar story about Alexander is found in the "Alexander romance" and the origins of the story can be dated as far back as 329 BC. The building of gates in the Caucasus Mountains by Alexander to repel the barbarian peoples identified with Gog and Magog has ancient provenance and the wall is known as the Gates of Alexander or the Caspian Gates. The