= Undeciphered historical codes and ciphers
{wiki=Category:Undeciphered_historical_codes_and_ciphers}
Undeciphered historical codes and ciphers refer to forms of written communication that have been encoded but remain unbroken or unsolved by cryptographers and historians. These codes and ciphers are often intriguing because they may contain messages that have not been understood, potentially holding important historical information, insights into past societies, or even personal messages.
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