Alexander The Great By Reagan4 356 BCE Alexander was born this was the very month Alexander was born 329 BCE Crosses Hindu Kush; goes to Bactria and crosses the Oxus river and then to Samarkand. 323 BCE Dies at Babylon in the palace of Nebuchadnezzar II 326 Wins Battle of river Hydaspes against Porus; Bucephalus dies 331 Founds Alexandria. Wins Battle of Gaugamela against Darius 336 Alexander becomes ruler of Macedonia 338 was taught by Aristotle