who was themistocles and what did he do
He was an Athenian politician and general who convinced the polis to increase the naval power of Athens.
Themistocles
Themistocles (; "Themistoklẽs"; "Glory of the Law"; c. 524–459 BC) was an Athenian politician and general.
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Themistocles [SEP] Introduction
498–454 BC) temporarily gave him sanctuary at Pydna before he traveled to Asia Minor, where he entered the service of the Persian king Artaxerxes I (reigned 465–424 BC). He was made governor of Magnesia, and lived there for the rest of his life.