A coded letter signed in 1547 by the most powerful ruler in Europe has been cracked by French scientists, revealing that he lived in fear of an assassination attempt by an Italian #mercenary.
https://t.co/vzeylfDVpU
— Warren Myers 🐧🐿 (@warrenmyers)
Dec 18, 2022
from Twitter https://twitter.com/warrenmyers
December 18, 2022 at 05:57PM
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