Greece By 20bdestatte 776 BCE The First Olympic Games 490 BCE Greek Defeat Persian invades 450 BCE Athens becomes a powerful city and controls an empire! 432 BCE The Parthenon 431 BCE War between Athens and Sparta bursts out 404 BCE Sparta defeats Athens in long war 146 BCE The End of the Greek Empire The Romans conquer Greece 1 CE Jesus's birth 440 Greek theatre 455 End of the Roman Empire