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Achaemenid Empire - Wikipedia
Persian Empire - Simple English Wikipedia, the free encyclopedia
History of Iran - Wikipedia
Persians - Wikipedia
Persian Empire - Map, Timeline & Founder | HISTORY
Persian Empire - National Geographic Society
Achaemenid Empire - Simple English Wikipedia, the free …
Ancient Persia - World History Encyclopedia
History's first superpower—the Persian Empire—originated in …
Achaemenid Empire - World History Encyclopedia