"On This Date in Cryptologic History" Calendar
Learn about a wide variety of historical events related to cryptology, computers, math, cybersecurity, Intelligence, and more.
S | M | T | W | T | F | S |
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29 | Nov 30 | Dec 1 | 2 | 3 | 4 | 5 |
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1887: U.S. Navy began using "The U.S. Navy Secret Code"
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1932: Polish Cipher Bureau Success!
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1950: ATLAS became operational.
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Tuesday, December 1, 2026
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