They paused their normal warfare between themselves in order to repel the Persians. After the war they went back to inter-city warfare with increased ferocity, resulting in the devastating 27-year Peloponnesian War.
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It was between an alliance of Greek city-states and the Persian Empire. Today we call it the Persian War to differentiate it from the wars between the Greek city-states. It is often called the Greco-Persian War.
The Persian Empire and various combinations of Greek city-states.
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The Persian War 499-449 BCE between an alliance of Greek city-states and the Persian Empire.
The Persian Empire and various alliances of Greek city-states 499 to 449 BCE.
The war between the Greek city-states and the Persian Empire 499-449 BCE.
Persia and the Greek city-states.
Both the Persian Empire and Greek civilization had multiple gods responsible for different aspects of human life.
Both the Persian Empire and Greek civilization had multiple gods responsible for different aspects of human life.
At Marathon and Salamis, the Greek cities defeated the Persian forces. At Thermopylai the Persian forces defeated the Greek cities.
Persian.