The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
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France’s King Louis XIV was offered biological weapons by an Italian chemist. He not only refused, but also paid the chemist an annual salary to never reveal the technology to anyone else.
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Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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'⸮' is a punctuation mark that was first proposed in the 1580s to denote sarcasm or irony.
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