The Athenians and the Spartans .
The Peloponnesian War was a struggle between , primarily , Athens against Sparta . ~ See related link below .
they did not
The two groups that fought in the peloponnesian war are Athenian Empire (Delian League), lead by Athens and Peloponnesian League, which is lead by Sparta eventually, Sparta won the war
Notably , Athens and Sparta .
It was a league of independent Dorian city-states led by Sparta which banded together to protect itself, at home and in their overseas colonies. Their biggest clash was the Ionians led by Athens, and later Aeolians led by Thebes.
Notably , the main leaders during the Peloponnesian Wars was Pericles leading Athens and Archidamus II of Sparta ~ See related link below .
You can find them here: http://en.wikipedia.org/wiki/Peloponnesian_War
Presumably an analyis of the Peloponnesian War. Who did it?
Peloponnesian War happened in -431.
The two groups fighting in the Trojan War were Sparta and Troy. I think other Greeks were involved as well as Spartans.
There were several wars in which they were on opposite sides, and some where they were on the same side. The main one was the Peloponnesian War between the Peloponnesian League and Athenian Empire 431-404 BCE.
the outside people