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.

February 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
27 28 29 30 Jan 31 Feb 1 2
1942: German Navy introduced 4-rotor Enigma
1962: Air Force Security Service began operations in South Vietnam
1942: FRUMEL established to assist General MacArthur
1462: Birthday of Johannes Trithemius
1949: USAFSS received first cryptologic units from the ASA.
1943: SIS began Venona Project
3 4 5 6 7 8 9
1945: Truck lost at Colmar, France causes theater-wide search
2010: Peter Calvocoressi died.
1802: Sir Charles Wheatstone, cipher inventor, born.
1919: Lt. William Friedman left AEF G6A2 to return to U.S.
1587: Mary, Queen of Scots, executed for treason.
1926: Enigma introduced into German Navy as Radio Key C.
1963: Intercept operations began at Phu Bai
1944: Colossus activated by Bletchley Park.
1963: Genevieve Young Hitt, early U.S. female cryptologist, born in 1885 and died on 6 Feb 1963.
1943: Naval Security Station moved to Nebraska Ave.
1941: First Americans visit Bletchley Park.
1973: EC-47 with the callsign Baron-52 shot down over Laos
1960: Inventor Gilbert Vernam died.
1969: USAF EC-47: CAP 72 lost in Vietnam
1930: David Kahn, noted cryptologic historian was born.
10 11 12 13 14 15 16
1952: Inventor Edward Hebern died.
Inventors' Day & the Wadsworth Cipher
Sweetheart Codes
President's Month OTD - DEC Alpha
1973: Ribbon-cutting for National SIGINT Operations Center (NSOC)
1962: Gary Francis Powers was Released After Spending 21 Months in a Soviet Prison.
1946: The ENIAC computer begins operating.
1976: "Village Voice" Published Full Pike Report
1943: Establishment of the 805th Signal Service Company for operation of the SIGSALY.
17 18 19 20 21 22 23
1960: Howard Engstrom - Exceptional Service
1933: Government seizure of cryptologist Herbert Yardley's "Japanese Diplomatic Secrets."
1939: Japanese first use of PURPLE
1777: Benedict Arnold overlooked for promotion.
1996: Memorial Wall in OPS2B (at NSA) was dedicated.
1927: Radio Act of 1927.
1972: NSCID 6 established CSS.
1846: Sarah G. Bagley became first female telegrapher.
1932: Boris Hagelin receives first cryptographic patent.
1996: Lt Gen Kenneth Minihan, USAF, became DIRNSA.
24 25 26 27 Feb 28 Mar 1 2
2001: Claude Shannon, cryptologic pioneer, died.
1863: US govt took control of commercial telegraphs during Civil War.
1881: Joseph Mauborgne, code & cipher expert, was born.
1917: President Wilson was informed of the contents of the Zimmermann telegram.
1954: First NSA Historian - CAPT Thomas Dyer, USN
1981: NSA sponsored exhibit opened at Smithsonian.
Friday, February 1, 2030
Saturday, February 2, 2030
Sunday, February 3, 2030
Tuesday, February 5, 2030
Wednesday, February 6, 2030
Thursday, February 7, 2030
Friday, February 8, 2030
Saturday, February 9, 2030
Sunday, February 10, 2030
Monday, February 11, 2030
Thursday, February 14, 2030
Friday, February 15, 2030
Saturday, February 16, 2030
Sunday, February 17, 2030
Monday, February 18, 2030
Wednesday, February 20, 2030
Thursday, February 21, 2030
Friday, February 22, 2030
Saturday, February 23, 2030
Sunday, February 24, 2030
Monday, February 25, 2030
Tuesday, February 26, 2030
Thursday, February 28, 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.