Notably , the city-state of Athens .
The Peloponnesian War.
Athens and its allies were defeated by Sparta in the Peloponnesian War.
Led the Peloponnesian League.
Athens won the first Peloponnesian War but Sparta won the second war
. . . the Peloponnesian War .
We today call it the Peloponnesian War as it was mainly city-states from the Peloponnesian peninsula which opposed Athens and its empire.
Sparta
Athens and Sparta
Sparta.
We call it today the Peloponnesian War. It was a 27-year war between the Athenian Empire and the Peloponnesian League led by Sparta.
Athens versus Sparta .
The city-state of Athens and its allies were defeated by Sparta in the Peloponnesian War.