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"On This Date in Cryptologic History" Calendar

Learn about a wide variety of historical events related to cryptology, computers, math, cybersecurity, Intelligence, and more.

January 2029

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S M T W T F S
Dec 31 Jan 1 2 3 4 5 6
1599: Birth date of Antoine Rossignol
1980: NSA Office of Policy mandated use of term "Service Cryptologic Element."
1977: NARA assigned Record Group 457 to declassified NSA records.
1957: MG Gordon Blake named Commander, AF Security Service
1924: Laurance Safford named OIC, Navy Cryptographic Branch.
1838: Alfred Vail uses dots & dashes
1921: William Friedman began 6 month contract with Army Signal Corps
1962: Marine cryptologists in Vietnam.
1962: Lt Gen Gordon A. Blake, USAF, became DIRNSA.
1977: U.S. Army Intelligence and Security Command established.
7 8 9 10 11 12 13
1942: Jerzy Różycki, Polish Cipher Bureau mathematician, died.
1996: Louis Tordella, long-time D/DIRNSA died.
2003: First "History Today" article on NSA Daily Page.
14 15 16 17 18 19 20
1944: BRUSA Agreement
1977: 56-bit Data Encryption Standard published.
1898: Publication of a new War Department Telegraphic Code was authorized.
1917: Zimmermann Telegram
1859: Alfred Vail, co-inventor of the telegraph, died.
1944: 9th Infantry Division of the Australian Army captured Japanese cryptographic library.
1981: Iran released U.S. hostages.
1978: Brig Gen Ardisana Died on this Date
1991: Operation DESERT STORM began.
1918: German spy Lothar Witzke was arrested carrying a coded message.
1998: U.S. cryptologic pioneer Abraham Sinkov died.
21 22 23 24 25 26 27
1988: DIRNSA and OPSEC training.
1941: Eligible readers of "Magic" intercept are established.
1918: Arthur Scherbius received patent for ENIGMA.
1987: Navy EA-3B recon aircraft crashed in the Mediterranean Sea.
1973: Paris Peace Accords signed.
1968: North Koreans captured USS Pueblo.
1915: Battle Of Dogger Bank
1975: Church Committee began investigation of U.S. Intelligence Community.
28 29 30 Jan 31 Feb 1 2 3
28 Jan 1986: Remembering the Challenger and her Crew
1943: New Zealand corvettes disable Japanese submarine and seize codebooks.
1968: Tet offensive in Vietnam began.
1992: 'The Federal Register' published details for the Secure Hash Standard (SHA).
Monday, January 1, 2029
Tuesday, January 2, 2029
Wednesday, January 3, 2029
Thursday, January 4, 2029
Friday, January 5, 2029
Saturday, January 6, 2029
Tuesday, January 9, 2029
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Saturday, January 13, 2029
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Thursday, January 18, 2029
Friday, January 19, 2029
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Monday, January 22, 2029
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Wednesday, January 24, 2029
Thursday, January 25, 2029
Saturday, January 27, 2029
Sunday, January 28, 2029
Monday, January 29, 2029
Tuesday, January 30, 2029
Wednesday, January 31, 2029

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