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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.

October 2027

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S M T W T F S
26 27 28 29 Sep 30 Oct 1 2
1919: The American "Black Chamber" began operations.
1780: British Major John André Hanged As a Spy
1949: AFSA Assumed Cryptologic Activities
1942: Signing of Holden Agreement
1986: NSA Protective Service established.
3 4 5 6 7 8 9
1940: "Odd/Even" Agreement for Army & Navy
1942: Army Transfers Cryptographic Division School
1973: Yom Kippur War in Middle East Began.
1918: "Champlain" Field Codes Released.
1985: U.S. Fighters Intercept Terrorists from "Achille Lauro"
1952: USAF RB-29 Shot Down
2001: "Operation Enduring Freedom" Began.
10 11 12 13 14 15 16
1955: William Friedman Awarded National Security Medal
1946: Vint Hill Farms School Renamed
1964: People's Republic of China Detonated First Nuclear Weapon
2000: al-Qaeda Bomed the USS Cole
17 18 19 20 21 22 23
1907: First Commercial Transatlantic Wireless Service
1875: Charles Wheatstone Died.
1948: Air Force Security Service Established
1962: President Kennedy ordered a naval quarantine of Cuba
1893: Laurance Safford born.
1983: Terrorists at Marine Compound in Beirut
1948: Lamphere-Gardner VENONA Collaboration Began.
1981: Foreign Intelligence Advisory Board Re-established.
24 25 26 27 28 29 30
1952: Memorandum from President Truman re: COMINT and NSA
1983: U.S. Forces Landed in Grenada During Operation Urgent Fury
1918: First Combat Employment of Choctaw Codetalkers
1861: Lincoln Approved Military Telegraph Department
1917: First U.S. Intercept in France in WWI
1992: Center for Cryptologic History Published "The Friedman Legacy"
1957: Dr. James Killian Submits Influential Report on Defense and Intelligence
2003: Death of Dr. Richard Leibler
2010: National Cryptologic Museum Recognizes Dr. David Kahn
1918: The "Osage" Field Code Was Released.
1969: 1st Message Sent on DoD ARPANET
1945: United Nations came into existence.
1977: Lambros Callimahos Died.
Oct 31 Nov 1 2 3 4 5 6
1737: Birthday of James Lovell
1980: Elizebeth Friedman Died.
2010: U.S. Cyber Command at Ft. Meade
1929: Cipher Bureau Closed.
Friday, October 1, 2027
Saturday, October 2, 2027
Sunday, October 3, 2027
Tuesday, October 5, 2027
Wednesday, October 6, 2027
Thursday, October 7, 2027
Saturday, October 9, 2027
Tuesday, October 12, 2027
Friday, October 15, 2027
Saturday, October 16, 2027
Sunday, October 17, 2027
Tuesday, October 19, 2027
Wednesday, October 20, 2027
Thursday, October 21, 2027
Friday, October 22, 2027
Saturday, October 23, 2027
Sunday, October 24, 2027
Monday, October 25, 2027
Tuesday, October 26, 2027
Thursday, October 28, 2027
Friday, October 29, 2027
Saturday, October 30, 2027
Sunday, October 31, 2027

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