in the surrounding territories. However, by this time he has become insane, and the Spartans put him in prison. Shortly after, he commits suicide. He is succeeded as King of Sparta by a member of the Agiad house, his half-brother, Leonidas. Europe Carthaginian navigator Himilco is the first known explorer from the Mediterranean Sea to reach the northwestern shores of Europe (approximate date). By topic Architecture The Athenians begin the building of a temple to Athena Parthenos (approximate date). Stelae are once again allowed in Athenian cemeteries, having been banned since 510 BC. Births Empedocles, Greek philosopher (d. c. 430 BC) Zeno of Elea, Greek philosopher (d. c. 430 BC) Deaths Hippias, tyrant of Athens Callimachus, war-archon of Athens Appius Claudius Sabinus Regillensis, legendary founder of the gens Claudia Pheidippides, messenger and soldier of Athens References