Latest / The History of Greece: Philosophy, Empire, and Endless Reinvention — Fexingo History / The Peace of Nicias: Why Athens and Sparta Failed at Peace
Transcript
- Lucas: So, we've talked a lot about the Peloponnesian War — the battles, the speeches, the politics. But there's one episode that always gets overlooked: the Peace of Nicias. Luna: The peace that didn't stick, right? Lucas: Exactly. It was signed in 421 BCE, after ten years of fighting — what we call the Archidamian War. Both sides were exhausted. Athens had been hit by plague, Sparta was dealing with helot unrest. So they agreed to a fifty-year peace. Lucas: But it barely lasted six years before open war broke out again. And the really interesting part is how it fell apart — not because of some grand betrayal, but because of the messy, petty politics of the Greek city-states. Luna: What were the actual terms? Lucas: Thucydides gives us the details. Both sides agreed to give back most of the territory they'd captured during the war. Athens would return Pylos and some other forts in the Peloponnese; Sparta would hand back Amphipolis, which they'd taken in Thrace. There were also clauses about arbitration for future disputes. Lucas: But here's the thing — the treaty wasn't just between Athens and Sparta. It was supposed to include their allies. And that's where it started to crack. Luna: Because not all allies wanted peace. Lucas: Right. Corinth, in particular, had been a major driver of the war, and they had territorial ambitions in the northwest that the treaty didn't address. They refused to sign. The Boeotians also held out. So you had this peace treaty that the two big powers agreed to, but their allies wouldn't endorse it. Lucas: That might have been survivable, but then the Spartans started making separate alliances. They signed a defensive pact with Athens — a classic Spartan move to shore up their own position — and that alienated their old allies even more. Luna: So Sparta basically traded Corinth for Athens? Lucas: In a way, yes. And the Corinthians, feeling abandoned, turned to Argos. Now Argos had been neutral during the war — they were a powerful city-state in the Peloponnese with a democratic government and a long-standing rivalry with Sparta. So Corinth, Argos, and a few other states formed a new alliance, aimed at counterbalancing Sparta. Lucas: This is around 420 BCE. And Athens, under the influence of a young, ambitious politician named Alcibiades, decided to play both sides. The Spartans had been dragging their feet on returning Amphipolis, so Athens made a defensive alliance with Argos — effectively undermining the Peace of Nicias. Luna: Alcibiades — we've mentioned him before. He was a real wildcard. Lucas: He was. And he saw the Argive alliance as a way to regain influence without breaking the peace outright. But it put Sparta on edge. In 418 BCE, the Spartans decided to reassert their dominance. They marched against Argos with their full army, led by King Agis II. Lucas: The result was the Battle of Mantinea — the largest land battle of the Peloponnesian War. And it was a clear Spartan victory. The Argive alliance crumbled. Athens had sent troops but they mostly watched from the sidelines. Luna: So after Mantinea, the peace was basically dead? Lucas: Pretty much. The treaty was still technically in effect, but neither side trusted the other. Sparta had proven it could still win on land; Athens had shown it couldn't protect its allies. And the unresolved issues — Amphipolis, Corinthian grievances, Spartan fear of Athenian resurgence — just festered. Lucas: It took a few more years, but by 413 BCE, the full war had resumed, culminating in the disastrous Sicilian Expedition. The Peace of Nicias had failed because it was a peace of exhaustion, not of resolution. Nobody really wanted it except Nicias himself. Luna: It's ironic that his name is attached to a failed peace. Lucas: It is. And Thucydides, who lived through it all, seems to have a cynical view of the whole affair. He shows us a world where personal ambition — Alcibiades, Cleon, even Nicias himself — and alliance politics made lasting peace almost impossible. Luna: Speaking of the show — and the fact that we try to keep this ad-free — it's episodes like this that remind me why we do that. Lucas: Yeah, it's a deliberate choice. We don't run ads because we want the conversation to flow naturally, without interruption. If that matters to you and you'd like to support it, there's a link — buy me a coffee dot com slash fexingo. No pressure, just an option. Luna: Exactly. And now back to the war that wouldn't end. Lucas: So after Mantinea, Sparta's position in the Peloponnese was secure, but they still had to deal with Athens. And Athens, despite the setback, wasn't ready to give up. They rebuilt their fortifications and focused on naval power. The peace was a dead letter. Lucas: One of the things that really sealed its fate was the failure of arbitration. The treaty had a clause requiring disputes to be settled by a neutral third party, but neither side followed through. Sparta refused to arbitrate over Amphipolis; Athens refused to arbitrate over Pylos. Luna: So it was a paper peace. Lucas: Exactly. And the final nail came in 416 BCE, when Athens attacked the neutral island of Melos — a brutal act that Thucydides immortalized in the Melian Dialogue. That destroyed any remaining goodwill. The Spartans felt compelled to act. Lucas: So by 415 BCE, when Athens launched the Sicilian Expedition, the Peace of Nicias was already history. It's a cautionary tale about peace treaties that don't address the root causes of conflict. Luna: And it shows how hard it is to make peace when the people at the top don't really want it. Lucas: Right. Thucydides would say it's human nature. But there's also a lesson about diplomacy: you can't just stop fighting; you have to build a framework that all parties buy into. The Peace of Nicias tried, but it was too narrow, too fragile. Luna: And it wasn't long before the war resumed with a vengeance. Lucas: Yeah. The Sicilian Expedition, the Persian intervention, the oligarchic coup in Athens, the final battle at Aegospotami — all of that came after. The Peace of Nicias was the last real chance to end the war early, and it slipped away. Luna: It's a fascinating story of what might have been. Lucas: It is. And it shows that even in the ancient world, peace was harder to achieve than war. Thanks for joining us for this deep dive into one of history's most instructive failures.