The Greco-Persian Wars last from 499 BC to 449 BC. These wars were the result of the 547 BC conquering of Ionia.
499-449 BCE.
The Greek city-states which did not side with Persia.
Persia and the Greek city-states.
Persia and its tributary states and allied Greek states versus the southern Greek states.
They were different - one was Persia versus a coalition of Greek city-states; the other was Greek city-states versus Greek city-states.
Greek attacks on the Persian navy
Persia
Which Persian War? Persia fought the Greek city-states over 2,000 years ago; is your question regarding that Persian War?
The Persian War lasted 499-449 BCE. At its end Persia agreed to stay away from the Greek cities in Asia.
Persia was attempting to include the Greek cities within its empire to stabilise its borders. The Greek citiy-states objected.
Persia did NOT fight in World War 1.
The Persian wars started with the revolt by the Greek cities within the Persian Empire. Athens and Eretria sent support to this revolt and Persia resolved to punish them. A punitive expedition was turned back at Marathon. Persia then resolved on a full-scale invasion to bring all the Greek cities under control.