"On This Date in 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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26 | 27 | 28 | 29 | Nov 30 | Dec 1 | 2 |
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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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3 | 4 | 5 | 6 | 7 | 8 | 9 |
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1952: Pre-employment Polygraph at NSA.
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Pearl Harbor Day
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1992: Premiere of William Gibson's "Agrippa"
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1906: Birth of Grace Hopper - computer pioneer and U.S. Navy Rear Admiral
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Dec 31 | Jan 1 | 2 | 3 | 4 | 5 | 6 |
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Friday, December 1, 2023
Wednesday, December 6, 2023
Thursday, December 7, 2023
Saturday, December 9, 2023
Sunday, December 10, 2023
Monday, December 11, 2023
Thursday, December 14, 2023
Friday, December 15, 2023
Saturday, December 16, 2023
Sunday, December 17, 2023
Tuesday, December 19, 2023
Wednesday, December 20, 2023
Thursday, December 21, 2023
Friday, December 22, 2023
Saturday, December 23, 2023
Sunday, December 24, 2023
Wednesday, December 27, 2023
Thursday, December 28, 2023