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
Kalanos the death of Alexander in Babylon, even though at the time of death of Kalanos, Alexander did not have any plans to go to Babylon. A letter written by Kalanos to Alexander is preserved by Philo. A painting by Jean Baptiste de Champaigne depicts "Alexander the Great receiving the news of the death by immolation of the gymnosophist Calanus" is displayed at Chateau de Versailles et de Trianon, Versailles. Kalanos Kalanos, also spelled Calanus ( – 323 BCE) was a gymnosophist (literally "naked philosopher"), a philosopher from Taxila who accompanied Alexander the Great to Persis and later committed suicide by