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Created page with "== Origins == The Achaemenid Empire, also known as the First Persian Empire, was founded by Cyrus the Great in 550 BC following his conquest of Media. Cyrus is often credited with laying the foundation for the empire's administrative organization, as well as its official religion, Zoroastrianism. The empire expanded under his rule, eventually encompassing three continents: Asia, Africa, and Europe. Image:Detail-68925.jpg|thumb|center|Aeri..."