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776 BC – First Olympic Games (Cultural)
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550 BC – Cyrus the Great founds Achaemenid Empire (Founding)
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522 BC – Darius I standardizes coinage and roads (Tech/Innovation)
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508 BC – Cleisthenes establishes Athenian democracy (Political)
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490–480 BC – Persian Wars with Greece (Cultural/Political)
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399 BC – Death of Socrates, Socratic Method (Philosophy)
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221 BC – Qin Shi Huang unifies China (Turning Point in China's history)
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206 BC – 220 AD – Han Dynasty Silk Road expansion (Trade)
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100 BC - Paper invented in China (Advancing in technology)