c. 490 BCE
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490 BCE 480 BCE
490 BCE: Leonidas beomes one of Sparta's two kings.
480 BCE: Death of King Leonidas of Sparta at the Battle of Thermopylae.
480 BCE: Battle of Thermopylae. 300 Spartans under King Leonidas and other Greek allies hold back the Persians led by Xerxes I for three days but are defeated.