Timeline BC ~ 1900 BC: Egyptian writers use non-standard 1500 an enciphered formula for the production of pottery is done in Mesopotamia parts of the Hebrew writing of Jeremiah's words are written down in " 4th century 487 the Spartans introduce the so called " 170 50-60 |
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Aeneas Tacticus Supposedly his real name was Aeneas of Stymphalus. He was a Greek military scientist and cryptographer. He invented an optical system for communication similar to a telegraph: the |
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