alexander the great timeline By gcrawford 356 BCE alex is born 356 BC 340 BCE Alexander helps his father win the battle of chaeronea 336 BCE alexander becomes king of macedonia 336 BCE king phillip dies 335 BCE the siege of pelium 334 BCE wins battle of granicus river against darius of persia 333 BCE battle of issus 332 BCE won siege of tyre attacks gaza which falls 331 BCE wins battle of gaugamela against darius 328 BCE kills black cleitus for an insult at samarkand 327 BCE marries roxane 326 BCE Wins Battle of River Hydaspes 326 BCE Bucephalus dies 324 BCE Hephaestion dies 323 BCE alexander the great dies