Persian Empire By 4Y44N1E 559 BCE Cyrus The Great begins conquering 538 BCE Cyrus allows Jews back into Jerusalem. 530 BCE Cyrus dies. Cambyses takes his place 525 BCE Cambyses conquers Egypt 522 BCE Cambyses dies 521 BCE Darius becomes king 521 BCE Darius expands the Persian Empire 485 BCE Darius dies/ Xerxes becomes king of Persia 480 BCE Xerxes invades Greece and wins the battle of Thermoplyae 479 BCE The Greeks defeat the Persians at the battle of Platae and expel the Persians from Europe. 404 BCE Artaxerxes ll Mnemon becomes king of Persia and loses Egypt 330 BCE Alexander The Great conquers Persia and destroys Persepolis, ending the Persian dynasty.