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BATTLE // -489 BCE

Siege of Eretria

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Overview

The siege of Eretria took place in 490 BC, during the first Persian invasion of Greece. The city of Eretria, on Euboea, was besieged by a strong Persian force under the command of Datis and Artaphernes.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Siege of Eretria took place in 490 BCE during the first Persian invasion of Greece, forming part of the Achaemenid campaign commanded by Datis and Artaphernes. The city of Eretria, situated on the island of Euboea, was targeted by a substantial Persian force estimated between 100,000 and 300,000 troops. Eretria's fate was a direct objective of the Persian expedition, which sought to punish Greek cities that had supported the Ionian Revolt. The siege represented a significant early action in the first Persian invasion, demonstrating the reach and ambition of Achaemenid power projected into the Aegean.

Forces & casualties

Troop strength

  • Achaemenid Empire100,000–300,000
    medium

Commanders (2)

Achaemenid Empire

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Last verified July 2026
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