Thucydides , Herodotus , Plutarch and Diodorus Siculus .
thermoplyae wasnt a naval battle it was fought in the hot gates which is a narrow corridor that helped the Greeks
The Thermoplyae
Somewhere between August and September 480 BCE.
Greek city-states vs Persian Empire
It lives on in a myth which glorifies the Spartans and war and pretends that it was a significant battle rather than a short delaying action to force a naval battle.
The Persians
John Steinbeck wrote In Dubious Battle.
It did not change the world at all. It was an insignificant military engagement which failed in its purpose. It has done no more than provide a basis for some romanticised story telling.See wikianswer:What_was_the_battle_at_Thermopylae_involving_the_300_and_who_won
They hung on defending the pass to let the rest of the Greek defenders escape to seek friendly walls before the Persian cavalry broke through. A noble sacrifice.
the year it was wrote and the time it was wrote
No. He wrote of the conflict 50 years after the battle .
Julia Ward Howe is the person that wrote the lyrics to The Battle Hymn of the Republic. The song is also known by the title, Mine Eyes Have Seen the Glory.