How Sleuths Decoded the Secret Letters of a Scottish Queen
· nationalgeographic.com · popularity 23/100 · 0 similar stories today

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Summary
When codebreakers found cryptic letters in the French national library, they had no idea they were about to uncover a mystery of royal proportions. In the second half of the 16th century, a series of encoded letters made their way via trusted couriers to the French embassy in London. These letters …
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