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"On This Date in History" Calendar

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

May 2022

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S M T W T F S
May 1 2 3 4 5 6 7
1960: U-2 Recon Plane Shot Down
1908: American cryptologic pioneer Frank Rowlett was born.
1917: Col. Ralph H. Van Deman becomes military intelligence chief
1942: 29 Navajos Reported to Fort Defiance, AZ
1942: First SIGINTers arrive in Australia
1943: GC & CS activated Heath Robinson Machine (predecessor to Colossus).
1961: President Kennedy creates President's Foreign Intelligence Advisory Board
1991: President George H. W. Bush Visited NSA
1942: Battle of Coral Sea began.
May 1991: Travis Trophy Presentation
8 9 10 11 12 13 14
1945: VE Day
1933: U.S. Senate debates Information Security as government responsibility.
1900: Naval cryptologist Joseph Rochefort was born.
1930: First Japanese linguist, John Hurt, hired by SIS.
1985: LTG William Odom, USA, became DIRNSA.
1927: Elizebeth Friedman - cryptanalyst with Bureau of Prohibition
1975: Cambodian communists captured SS Mayaguez.
1961: Third Radio Research Unit began Army Security Agency service in South Vietnam.
15 16 17 18 19 20 21
1973: Search for government-wide data encryption standard begins.
1973: Laurance Safford, father of naval cryptology, died.
1985: Electronic Security Command took over USAF COMSEC mission.
1919: DoS approved creation of Cipher Bureau "Black Chamber."
1949: Armed Forces Security Agency created.
1917: William Friedman & Elizebeth Smith married.
1942: Creation of Women's Army Corps (WAC).
1987: Iraqi aircraft fired Exocet missiles at USS Stark.
1985: Retired CWO John Walker was arrested for spying.
1940: FDR authorized wiretapping to watch German agents.
1965: System Development Corp hosts widescale computer security discussion.
1975: William F. Friedman Auditorium dedicated at NSA.
2010: US Cyber Command established.
22 23 24 25 26 27 28
1881: Death of Friedrich Wilhelm Kasiski
1975: National Security Council Seeks Secure Voice Network
1844: First telegraph message was sent.
1894: Brigadier John H. Tiltman, only foreign citizen in Cryptologic Hall of Honor was born in London.
1972: SALT Treaty signed.
1962: ASA carried out first Airborne Platform Mission in Vietnam.
1988: German police broke up the "Hannover Hackers."
1992: VADM Michael McConnell, USN, became DIRNSA.
Memorial Day Remembrance
29 30 May 31 Jun 1 2 3 4
1885: Cryptologic pioneer Genevieve Young Hitt was born.
1933: Rumrunning trial began with case built upon Elizabeth Friedman's cryptanalysis.
2001: al-Qaida member convicted of terrorism in embassy bombings.
Sunday, May 1, 2022
Monday, May 2, 2022
Tuesday, May 3, 2022
Wednesday, May 4, 2022
Saturday, May 7, 2022
Sunday, May 8, 2022
Tuesday, May 10, 2022
Thursday, May 12, 2022
Friday, May 13, 2022
Sunday, May 15, 2022
Monday, May 16, 2022
Tuesday, May 17, 2022
Thursday, May 19, 2022
Friday, May 20, 2022
Saturday, May 21, 2022
Sunday, May 22, 2022
Monday, May 23, 2022
Tuesday, May 24, 2022
Wednesday, May 25, 2022
Thursday, May 26, 2022
Friday, May 27, 2022
Saturday, May 28, 2022
Sunday, May 29, 2022
Tuesday, May 31, 2022

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