Persian War - comanded by Athens and Sparta, the Greek city states were engaged in a great war with the Persian Empire at the beginning of the 5th century, Greek forces sacked the Persian city of Sardis. In 490 B.C., the Persian king sent a ship expedition across the Aegean to attack Athenian troops in the Battle of Marathon. Athenians surprisely won the battle there, but Persians did not give up, the Persian king sent a army across the Hellespont to Thermopylae, where 60,000 Persian troops defeated 5,000 Greeks in the Battle of Thermopylae, where King Leonidas of Sparta was killed. The year after that, however, the Greeks defeated the Persians for good at the Battle of Salamis.
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