The Persian War 499-449 BCE.
It was fought to protect the Spartan and Greek homeland from the invading Persian Empire.
The Persian Empire fought the Persian War against a couple of hundred Greek city-states over fifty years 499-449-BCE.
Each other. Athens and Sparta, with their respective Greek allies, fought each other. The Persian Empire later sided with Sparta against Athens, but mostly it was Greek against Greek.
The Peloponnesian War, 431 to 404 BC, was an ancient Greek war fought by Athens and its empire against the Peloponnesian League led by Sparta.
They were all part of the Persian attempt to subdue troubles to its empire from the city-states of mainland Greece.
The people of the Persian Empire provided the army and navy of the empire, including Egypt, Phoenicia and the Greek city-states of Ionia within the empire. The Persians enlisted many of the Greek city-stated of mainland Greece to their side - by bribery and threat. At the decisive land battle of Plataia in 479 BCE, a third of the Persian army was provided by central Greek cities such as Thebes. Macedonia and Thessaly also fought as an ally of the Persians.
The Greek city-states occupied by, or threatened by, expansion of the Persian Empire in the eastern Mediterranean littoral.
Both wanted to establish and maintain a peaceful and prosperous empire. This led them to try to impose peace on the ever-warring Greek within and outside their Empire, leading to the wars both fought against the Greek city-states.
Sparta and Athens joined 20-odd other Greek city-states to oppose Persia. After that war,the Peloponnesian League led by Sparta fought the Peloponnesian War against the Athenian empire.
The Battle of Marathon, the Battle of Salamis, and the Battle of Thermopylae were fought between Greek city-states and invading Persian Empire forces in the early Fifth Century BCE.
The Battle of Marathon, the Battle of Salamis, and the Battle of Thermopylae were fought between Greek city-states and invading Persian Empire forces in the early Fifth Century BCE.
The fleets of the invading Persians fought it out with the combined fleet of the defending southern Greek city-states.