Hidden in plain sight: an undeciphered letter from Louis XIV’s France - The National Archives
This letter – sent from the court of King Louis XIV in Paris – contains coded text that historians have been unable to decipher...| The National Archives
This letter – sent from the court of King Louis XIV in Paris – contains coded text that historians have been unable to decipher...| The National Archives
Ruth Selman shares an exciting update to her previous blog post about a 17th-century letter written in cipher.| The National Archives
