Answer in an explanation:
Heya there, history buff here to make you read a bit today. Hope you find your answer though!!
The Persian Empire, led by King Xerxes I, suffered a major defeat in the Greco-Persian Wars at the hands of the Greeks, led by Athens and Sparta, in the early 5th century BCE. This defeat was a significant setback for the Persian Empire and its reputation as a dominant power in the ancient world.
However, despite this defeat, the Persian Empire was still a powerful force in the ancient world and continued to expand its territories, particularly under the reign of King Darius III in the 4th century BCE. The empire continued to thrive and even flourished under the rule of the Achaemenid dynasty until it was conquered by Alexander the Great in the late 4th century BCE.
So while the Persian Empire did suffer a significant loss in Greece, it was still able to recover and remain a powerful force in the ancient world for several more centuries.