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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.

September 2024

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S M T W T F S
Sep 1 2 3 4 5 6 7
1943: First Bombe to Nebraska Ave.
1918: Hudson Field Code
10:30 am 2016: The NSA Hawaii (NSAH) facility was dedicated as the Washington Wong Building.
1968: "Star Trek: The Enterprise Incident"
1972: 11 Israeli Olympic athletes & German policeman killed.
1941: Winston Churchill Visited Bletchley Park
1983: Inventor Boris Hagelin Died.
1983: KAL 007 Shot Down
1945: Japanese Surrender Event
1939: Army's SIS Translates PURPLE
1997: National Vigilance Park Dedicated
1958: C-130 Shot Down
8 9 10 11 12 13 14
1947: Grace Hopper & the First Computer "Bug"
1877: Frank Moorman (AEF Radio Intel) was born.
2001: al-Qaeda Attacks in U.S.
1918: U.S. Offensive on the Saint-Mihiel
1940: Army & Navy Joint Exploitation of PURPLE
1946: Elizebeth Friedman departs the U.S. Coast Guard.
2015: President Obama visited NSA to thank the workforce.
1994: Death of Charles Tevis - first DEFSMAC director
15 16 17 18 19 20 21
1945: Signal Security Agency becomes ASA
1971: Cryptologic Pioneer Agnes Driscoll Died
1967: David Kahn's book, "The Codebreakers" was published.
1947: USAF Established
1956: First Civilian NSA Deputy Director Joseph Ream
1983: Three Inventors Receive Patent for Encryption Algorithm RSA
1957: First NSA Open House
1892: Birth of Philip Johnston - whose idea to use the Navajo language as a code during WWII would save countless lives.
22 23 24 25 26 27 28
1980: Iran-Iraq War Began
1780: Treasonous Ciphered Letter
1891: American Cryptologic Pioneer William Friedman Born
1918: "Colorado" Field Code Issued
1918: Meuse-Argonne Offensive
1940: Purple Analog #1 Started Decryption
1807: Alfred Vail, Telegraph Co-Inventor Born
1967: First Vice-Presidential Visit to NSA
1986: President Reagan Dedicated NSA Ops Bldgs
29 Sep 30 Oct 1 2 3 4 5
1978: Fort Meade Protective Service
1924: Edward Hebern Received Patent
1953: Frank Moorman Died
Sunday, September 1, 2024
Monday, September 2, 2024
Tuesday, September 3, 2024
Wednesday, September 4, 2024
Thursday, September 5, 2024
Friday, September 6, 2024
Saturday, September 7, 2024
Monday, September 9, 2024
Tuesday, September 10, 2024
Wednesday, September 11, 2024
Thursday, September 12, 2024
Sunday, September 15, 2024
Monday, September 16, 2024
Tuesday, September 17, 2024
Wednesday, September 18, 2024
Thursday, September 19, 2024
Friday, September 20, 2024
Saturday, September 21, 2024
Sunday, September 22, 2024
Monday, September 23, 2024
Tuesday, September 24, 2024
Wednesday, September 25, 2024
Thursday, September 26, 2024
Friday, September 27, 2024
Sunday, September 29, 2024
Monday, September 30, 2024

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