The Unreadable Language of 5 Million People | Case File #010

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The Unreadable Language of 5 Million People | Case File #010

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CASE FILE #010 — The complete disappearance of the Indus Valley Script, the written language of the Indus Valley Civilization that flourished across 1.5 million square kilometers of the Indian subcontinent from 2600 to 1900 BCE and recorded the administration of 5 million people using 400–600 undeciphered symbols on seals, pottery, and artifacts. When the civilization collapsed around 1900 BCE—likely due to climate change, river course shifts, and resource depletion—the script vanished entirely, never to be deciphered. No Rosetta Stone equivalent exists. Despite over 4,000 surviving artifacts bearing the script, zero sentences have ever been successfully read. Linguists, cryptographers, and AI systems have failed to crack it for 150 years. The script remains the world's most enigmatic writing system: a complete language from a vanished civilization, frozen in undeciphered symbols, making

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