Close
Menu

Cryptologic History

Every little bit helps the NCF to influence the cryptologic future by sharing our educational resources, stimulating new knowledge, and commemorating our heritage.

"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 2030

This Month
Select a Date to View
Jump to a Month
Month
Year
Go to Previous Go to Next
S M T W T F S
30 Dec 31 Jan 1 2 3 4 5
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.
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.
6 7 8 9 10 11 12
1838: Alfred Vail uses dots & dashes
1942: Jerzy Różycki, Polish Cipher Bureau mathematician, died.
1996: Louis Tordella, long-time D/DIRNSA died.
13 14 15 16 17 18 19
2003: First "History Today" article on NSA Daily Page.
1978: Brig Gen Ardisana Died on this Date
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.
1918: German spy Lothar Witzke was arrested carrying a coded message.
1998: U.S. cryptologic pioneer Abraham Sinkov died.
20 21 22 23 24 25 26
1981: Iran released U.S. hostages.
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.
1968: North Koreans captured USS Pueblo.
27 28 29 30 Jan 31 Feb 1 2
1975: Church Committee began investigation of U.S. Intelligence Community.
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).
Tuesday, January 1, 2030
Wednesday, January 2, 2030
Thursday, January 3, 2030
Friday, January 4, 2030
Saturday, January 5, 2030
Sunday, January 6, 2030
Wednesday, January 9, 2030
Thursday, January 10, 2030
Sunday, January 13, 2030
Monday, January 14, 2030
Tuesday, January 15, 2030
Wednesday, January 16, 2030
Thursday, January 17, 2030
Friday, January 18, 2030
Saturday, January 19, 2030
Sunday, January 20, 2030
Wednesday, January 23, 2030
Thursday, January 24, 2030
Friday, January 25, 2030
Sunday, January 27, 2030
Monday, January 28, 2030
Tuesday, January 29, 2030
Wednesday, January 30, 2030
Thursday, January 31, 2030

Learn About the Pioneers

Learn about the various individuals and groups who paved the way in the field of cryptology, cyber, computers, and more.