After the Persian War, conflict between the two broke out and culminated in the destructive 27-year Peloponnesian War. In the end, the Spartan alliance developed a war fleet using Persian funds to defeat the hitherto superior Athenian fleet, besieged Athens and starved it into surrender in 404 BCE.
they surrendered the war.
The Persians would have won if Sparta and Athens had not united to fight the Persian Army
The Persian Wars
Sparta and Athens were allies against Persia in the Persian War.
On tthe Persian side, the Persian king. On the Greek side, first Sparta, then Athens.
The Peloponnesian War was a series of conflicts between the Athens and the Delian League and Sparta and the Peloponnesian League. The basic cause the was expansion of the influence of Athens into Lacodaemon, the territory Sparta controlled. The war ended in 404 B.C. with the surrender of Athens to Sparta. Corinth and Thebes wished for Athens to be destroyed and its people enslaved, but Sparta refused, citing that it would not destroy and city that had done good service at the time of greatest danger for Greece (citing the Greco-Persian wars).
After 27 years Athens, its fleet destroyed, was besieged and starved into surrender.
Athens and Sparta were friendly before the Persian War. They naturally joined the alliance which repelled the Persian invasion. A Spartan force helped Athens retain its government against a revolt pre-war. Athens post-war helped Sparta put down a serf rebellion, but then started to side with the serfs, so the Spartans sent them home. That was the split.
It was part of a coalition led by Sparta which repelled an invasion by the Persian Empire.
The Peloponnesian War was between Athens and Sparta. It was after the great Persian war, when Athens and Sparta worked together to defeat Persia. The Peloponnesian War was started because Sparta feared Athens may dominate them one day. There was a big battle between them, lasting for many years, but in the end, Sparta won.
Persian Wars
They both fought in the second Persian War