Greek History By r4mshadowrealm 2100 BCE The first arrival of people to Greece. 776 BCE The first Olympics Games are held. 700 BCE Athens is formed. 507 BCE Athens becomes a Democracy. 490 BCE Persia attacks Greece, but lose at Marathon. Period: 447 BCE to 438 BCE The Parthenon is built. Period: 431 BCE to 404 BCE Athens at war with Sparta, Sparta wins. Period: 334 BCE to 323 BCE Alexander the Great defeats Persia, Syria, Egypt and Afghanistan. Period: 323 to 323 Greek is divided into separate Kingdoms.