Give up its empire.
The Peloponnesian War between Athens and Sparta was a conflict lasting from 431 to 404 BC .
Athens won the first Peloponnesian War but Sparta won the second war
The Peloponnesian War ended with the capitulation of Athens, which was stripped of the empire which had enabled it to dominate the Greek world for half a century.
. . . the Peloponnesian War .
The Peloponnesian War was between alliances of Greek city-states - Athens and its empire, and the Peloponnesian League led by Sparta.
In 404 BCE at the end of the Peloponnesian War.
As losers, not at all.
The Peloponnesian War between Athens and Sparta was a conflict lasting from 431 to 404 BC .
To surrender unconditionally.
Athens won the first Peloponnesian War but Sparta won the second war
Athens and its allies were defeated by Sparta in the Peloponnesian War.
The Peloponnesian War ended with the capitulation of Athens, which was stripped of the empire which had enabled it to dominate the Greek world for half a century.
The surrender of the beseiged city of Athens to the the Peloponnesian land and naval forces led by Sparta.
Building tensions between Athens and its empire and the Peloponnesian League led by Sparta set up to oppose it, came to a head when Athens banned Peloponnesian League member Megara from trading within Athens' empire. This meant the ruination of Megara. The Peloponnesian League demanded an end to the ban, which a fully-confident Athens rejected. War ensued.
The Peloponnesian Wars ceased at the Battle of Aegospotami in 405 BC and Athens , in 404 BC , capitulated to the Spartans .
. . . the Peloponnesian War .
The Peloponnesian War lasted from 431 to 404 BCE. The war was between Athens and the Peloponnesian League which was led by Sparta.