Final answer:
The Battle of Thermopylae in 480 BCE saw 300 Spartans valiantly defending against a much larger Persian force, inspiring Greek unity and aiding in the overall defense strategy against the Persians.
Explanation:
The Battle of Thermopylae is where 300 Spartans, led by King Leonidas, held off a much larger Persian force, buying crucial time for the Greek forces to prepare against the Persians. This legendary battle took place in 480 BCE at a narrow mountain pass, where the Spartans fought bravely until they were betrayed.
Learn more about Battle of Thermopylae here:
https://brainly.com/question/30563444
