The Peloponnesian War (431-404 BC) weakened the Greek city-state system, causing widespread casualties and poverty. Divided into three phases, it was recounted by Thucydides and commented on by other Greeks, including Aristophanes, Euripides, Sophocles, and Aristotle. Sparta emerged victorious, fracturing Greece and setting the stage for further civil wars. The Peloponnesian War was a military […]