Hippias, tyrant (527 B.C.-510 B.C.) of Athens, eldest son of Pisistratus. Hippias governed Athens after the death of his father. His younger brother Hipparchus was closely associated in office with him until Hipparchus was assassinated in 514 B.C. At first Hippias attempted to work with his opponents, the Alcmaeonidae, but his rule became harsher as the Persians advanced. In 510 B.C. he was overthrown by the Alcmaeonidae and the Spartans and went into exile. He lived at the court of Darius and was with the Persian forces at Marathon.

(died 490 BC) Tyrant of Athens (528/527–510). He succeeded his father, Peisistratus, as tyrant. Hippias was a patron of poets and craftsmen, and Athens prospered under his rule, but he became repressive after the assassination of his brother Hipparchus (514). He was overthrown by the Spartans (510) and went into exile in Asia Minor. He went with the Persians to attack the Athenians, and it was he who advised Darius I in 490 to land at Marathon, which resulted in a major Persian defeat.

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