Delian League

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Delian League Δηλιακή Συμμαχία
478 BC–404 BC
Capital	Delos (initially), Athens (later)
Common languages	Ancient Greek
Government	Alliance
Historical era	Classical antiquity
• Formation	478 BC
• Dissolution	404 BC
Preceded by Succeeded by Greco-Persian Wars Athenian Empire

The Delian League (Greek: Δηλιακή Συμμαχία ) was an ancient Greek confederation of city-states led by Athens. It was founded in 478 BC during the Greco-Persian Wars to continue the fight against the Achaemenid Empire and to liberate Greek cities from Persian control. The League's name derives from its original meeting place, the island of Delos, where its treasury was initially kept.

Formation and Purpose

The Delian League was established in the aftermath of the Battle of Plataea and the Battle of Mycale, which marked the end of the Persian invasion of Greece. The primary purpose of the League was to defend against Persian aggression and to secure the freedom of Greek city-states. Member states contributed ships, troops, and financial resources to a common cause.

Structure and Governance

The League was initially a voluntary alliance of Greek city-states, each of which had an equal vote in the League's council. However, over time, Athens began to dominate the League, transforming it into an Athenian empire. The treasury was moved from Delos to Athens in 454 BC, symbolizing this shift in power.

Military Campaigns

The Delian League conducted several successful military campaigns against the Persians, including the liberation of Byzantium and Eion. The League's fleet, commanded by Athenian generals such as Cimon, played a crucial role in these victories.

Transformation into the Athenian Empire

As Athens grew more powerful, it began to exert control over other League members, often using force to maintain dominance. This led to increasing resentment among the member states. The transformation of the Delian League into the Athenian Empire is marked by the imposition of Athenian laws, the establishment of Athenian garrisons, and the collection of tribute.

Decline and Dissolution

The Delian League's decline began with the outbreak of the Peloponnesian War in 431 BC, a protracted conflict between Athens and Sparta and their respective allies. The war drained the resources of the League and led to internal strife. The League was officially dissolved in 404 BC following Athens' defeat by Sparta.

Legacy

The Delian League played a significant role in the history of ancient Greece, contributing to the spread of Athenian culture and the eventual rise of the Athenian Empire. It also set a precedent for later alliances and federations in Greek history.

Related Pages

• Athenian Empire
• Greco-Persian Wars
• Peloponnesian War
• Cimon
• Delos
• Sparta