They won lots of battles and lost lots of battles over two and a half thousand years.
Persian Soldiers defeated the Troy's
The Persian leader defeated by the Greeks was Darius.
Alexander the Great defeated the Persian empire
In both invasions of Greece by Persia, the Persian armies were defeated by Greek hoplites and soldiers. The major losses were the famous 300 Spartans and 1,000 Thesbians who defended Thermopylae to protect Athens.
Its called ''the Persian wars'' or the ''Greco-Persian wars''.
Persia lost.
Notably , it was Alexander the great , the king of Macedon who defeated the Persian king Darius the 3rd .
The combined and powerful Greek navy defeated a similar sized Persian fleet at the battle of Salamis.
Persian Empire.
The Persians were defeated, as they were forced to withdraw from Greece without fully accomplishing their objectives.
Sparta provided soldiers, naval ships and leadership of the Greek city-states. Athens provided first ships until the Persian navy was defeated, then an army in the land battles.
It was the Battle of Thermopylae in the Second Persian War. The Greeks won. Shortly after Thermopylae the Athenian Navy defeated the Persian Navy at Salamis, and in the next year the Persian Army was defeated by a combined Greek Army at Plataea.