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Religious teacher named Zoroaster preached a new monotheistic religion.

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Greeks revolted against their Persian rulers.

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Battle of Marathon.

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Battle of Thermopylae

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Battle of Plataea

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The Delian League is formed.

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Athens interferes with Sparta’s allies.

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The start of the Peloponnesian war.

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Sparta’s navy destroys the Athenian fleet.

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Thebes ended the Spartan empire.