what is the most important thing that happened in the persian war
also enjoy the quote

Arguably, the most significant battles of the War included Sardis, which was burned by the Greeks in 498 BCE; Marathon in 490 BCE, the first Persian invasion of Greece; Thermopylae (480), the second invasion after which the Persians took Athens; Salamis, when the combined Greek navy decisively beat the Persians in 480; and Plataea, where the Greeks effectively ended the second Persian invasion in 479.