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"On This Date in Cryptologic History" Calendar

1587: Mary, Queen of Scots, executed for treason.

Wednesday, February 8, 2023

8 February 1587: Mary, Queen of Scots, was executed for treason, as a result of a solution of a cryptosystem she was using in a conspiracy to assassinate Queen Elizabeth (Babington Plot). Pictured here is the cipher code used by Mary, Queen of Scots. Mary-cipher-code. Licensed under Public Domain via Wikipedia

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