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Re:French scientists decode 500-year-old letter by asicsp on Sunday November 27, 2022 @02:51AM (#33761252)
Dupe: "Emperor Charles V's code cracked after five centuries"

https://news.ycombinator.com/item?id=33739437 (122 points | 1 day ago | 29 comments)

Re:French scientists decode 500-year-old letter by yesenadam on Sunday November 27, 2022 @04:24AM (#33761632)
Not really a dupe - that article says very little about what the letter said or about the code.