The Ionian Revolt, which began in 499 B.C.E .The Persians conquered wealthy Greek settlements in Ionia , in Asia minor. the Persians took Ionain's farmland and harbors. The Ionian's where forced to pay tributes of goods. The Ionian's asked mainland Greece for help.
Battle of Salamis
After the Ionian Revolt, King Darius decided to conquer the city-states of mainland Greece. The Greeks agreed to Persian rule, but did not agree to hand over the tribute. King Darius was furious in 490 B.C.E
Battle of Plataea
After King Darius died,his son, King Xerxes, organized another attack on Greece. Xerxes put together a huge army. In 480 B.C.E Xerxes marched west from Hellespont and then south. Greek city-states where overwhelmed, Athens and Sparta worked together. A Greek traitor helped the Persians .Knowing that they could not win the Greeks left only 300 men to fight and delay the Persians. All 300 Spartans died, but are remembered as legends.
The Battle of Plataea took place in the outskirts of the city of Plataea in 479 B.C.E. 80,000 Greek troops destroyed the Persian Army. And the Persian empire was no longer a threat.