Latest / Ancient Greece: Philosophy, Democracy, and Endless War — Fexingo History / The Delian League: How an Alliance Became an Empire
Transcript
- Lucas: So we've talked a lot about Athenian democracy in previous episodes — the institutions, the reforms, the key players. But there's this other side of Athens that we haven't really touched on yet, and it's just as central to their story: the Delian League. Luna: The Delian League — that's the alliance Athens led after the Persian Wars, right? Lucas: Exactly. In 478 BCE, just a year after the Greek victory at Plataea, Athens and a bunch of Ionian Greek cities formed this alliance to continue fighting the Persians and to liberate Greek cities still under Persian control. The name comes from the island of Delos, where the League's treasury was kept and where the members met in a temple to Apollo. It was founded as a free association of equal states — in theory at least. Lucas: The historian Thucydides gives us the key details. He says the Spartans had been leading the overall Greek war effort, but their general Pausanias became so overbearing and unpopular that the allies begged Athens to take command. Athens was happy to oblige. Luna: So the League starts as a kind of voluntary coalition under Athenian leadership. When does the shift to empire happen? Lucas: Almost right away, though it took a few decades to become obvious. The first sign came in the 470s. One of the original members, the island of Naxos, tried to leave the League — it was supposed to be voluntary, after all — and Athens besieged it, forced it back in, and made it pay tribute. That's the first recorded instance of an ally being subdued by force. Lucas: Then there was Thasos. Around 465 BCE, Thasos revolted over control of gold mines on the Thracian coast. Athens crushed the revolt, took their ships, made them tear down their walls, and pay an indemnity. So by the mid-460s, the League was already looking a lot less like an alliance and a lot more like an empire. Luna: And this is while Athens itself is still a democracy? That always struck me as a contradiction. Lucas: It is a famous tension, and contemporaries noticed it too. The Athenian statesman Pericles, who came to power in the 450s, basically ran the empire while championing democratic reforms at home. He even used League funds to pay for the construction of the Parthenon — which some allies saw as embezzlement. But the key to the empire's transformation was the treasury. Lucas: In 454 BCE, the League's treasury was moved from Delos to Athens. The official reason was security — they said it was safer from Persian attack. But once the money was in Athens, the Athenians controlled it directly. They took a portion, the 'aparchē', as a tribute to Athena. And from then on, the League was effectively the Athenian Empire. Luna: So the allies' own contributions were being diverted to beautify Athens. How did they keep the allies in line? Lucas: A combination of military coercion, political control, and economic pressure. The allies who tried to rebel got crushed — there were at least a dozen revolts between the 460s and the Peloponnesian War. Athens also installed democratic governments friendly to them in allied cities, and they could send out colonists, called 'cleruchs', to settle on allied land. And they controlled the sea. Lucas: The Athenian navy was the strongest in the Greek world, and they enforced a trade network that essentially made the allies dependent on Athens for grain and other essentials. The tribute was reassessed every four years, and the so-called 'Tribute Lists' — stone inscriptions recording how much each city paid — show the Athenians increasing the amounts, especially for cities that did not supply ships but only money. Luna: Wait — so some allies contributed ships instead of cash? Lucas: Yes, originally. But over time, Athens encouraged allies to convert their ship contributions into cash payments. That way Athens could build its own fleet, manned by Athenian citizens, and the allies lost their naval capability. So they became even more dependent. Thucydides says that by the start of the Peloponnesian War in 431 BCE, only Chios and Lesbos still contributed ships. Everyone else paid tribute. Lucas: And the tribute amounts were not small. A city like Miletus paid around ten talents a year. The total annual tribute by the 440s was about 600 talents — an enormous sum. That money funded the Athenian navy, the public works of Pericles, and the wealth of the Athenian state. Luna: So the Delian League basically bankrolled the Athenian Golden Age. Lucas: Exactly. And the Athenians themselves were aware of the moral ambiguity. In the Melian Dialogue, which we discussed in the Thucydides episode, the Athenians tell the Melians outright that 'the strong do what they can and the weak suffer what they must.' That's pretty much the imperial ideology laid bare. Luna: And that's the same Athens that prided itself on being a democracy and a beacon of freedom. Lucas: Right. It's one of the great ironies of ancient history. But it's also a lesson in how even a democracy can become an empire when it has the power and the incentive. And I think that's one of the reasons the story of the Delian League still resonates. Luna: Totally. And speaking of things that resonate — if today's episode was useful to you, the way we keep this show ad-free is through listener support. You can find us at buy me a coffee dot com slash fexingo. Lucas: Yeah, honestly, it's the only reason we can dive into these topics without interruption. So if you've gotten something out of our episodes, that link is a small way to keep them coming. Lucas: Anyway — back to the League. One figure who really embodied the transition from alliance to empire was Cimon. He was the son of Miltiades, the hero of Marathon, and he became the leading Athenian general in the 470s and 460s. He was hugely popular because he kept winning battles against the Persians. Luna: Cimon — I've heard he was a conservative, pro-Spartan? Lucas: Yes, he admired Sparta and argued for maintaining the alliance with them. But his policies as a general actually strengthened Athens's grip on the League. He led a major campaign to expel the Persians from the Thracian coast and from the island of Skyros, which he turned into an Athenian colony. He also crushed a rebellion on the island of Byzantium. Lucas: But his most famous victory was the Battle of the Eurymedon River around 466 BCE, where he wiped out a combined Persian fleet and army. That battle effectively ended Persian offensive capability in the Aegean for decades. So Cimon was expanding the empire while also making it seem like the League was still fighting the common enemy. Luna: So he was building the empire almost by accident, or at least under the cover of patriotism. Lucas: Exactly. And then when he fell from power in the late 460s, the more radical democrats took over, and they were even more aggressive about turning the League into an empire. They imposed democratic governments on allied cities, and they started treating the tribute as a regular tax rather than a war contribution. Lucas: The final step came in 454 BCE when the treasury moved to Athens. After that, the League had no independent existence. The allies were subjects. When the Peloponnesian War broke out in 431 BCE, the empire was one of the main reasons — Sparta claimed it was fighting to liberate the Greeks from Athenian tyranny. Luna: And of course, Athens lost the war. What happened to the League then? Lucas: After Athens's defeat in 404 BCE, the Spartans forced them to dissolve the empire. The Delian League was officially dead. But the idea of a Greek alliance under a single hegemon didn't die — it just took different forms. Later, the Second Athenian League was formed in the 4th century BCE, but it was much weaker and more genuinely voluntary because everyone remembered how the first one turned out. Lucas: So the Delian League is this fascinating case study in how power corrupts, even in a democracy. It started as a noble project to defend Greek freedom, and within a generation it became a tool of oppression. And the Athenians themselves never quite resolved that contradiction. Luna: It makes you wonder if any empire sees itself as an empire at the time. Lucas: Probably not. They always have a justification — security, civilization, the greater good. But the outcome is the same. And I think that's one of the reasons the ancient Greek experience still speaks to us today.