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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.

July 2020

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Month
Year
S M T W T F S
28 29 Jun 30 Jul 1 2 3 4
1921: William Friedman joined War Department
1892: Boris Hagelin inventor of Convertor M-209 cryptodevice, born
1945: Cryptographic Security Board established
1931: US Coast Guard Established Cryptanalytic Section
1946: Army-Navy Crypto Equipment Coordinating Committee Established
5 6 7 8 9 10 11
1917: General Order, No. 8 - established HQ, AEF in France
2005: al-Qaida Bombings in London
1942: Arlington Hall Station - Official Military Intelligence Post
1957: First public acknowledgment of NSA
1995: CIA Public Ceremony for VENONA Declassification
1977: VADM B. R. Inman, USN, became DIRNSA
1942: President Roosevelt Limited COMINT Activities to the Army, Navy, & FBI.
1943: Project BEECHNUT established.
1865: First US patent for cipher device to Edwin H. Hawley
1918: Signal Corps began first communications security monitoring in France
12 13 14 15 16 17 18
1918: William Friedman reports to AEF G2A6 Chaumont, France
1993: National Cryptologic Museum opened to NSA/CSS personnel, their families, & to other members of Intelligence Community.
1977: House of Representatives Established Permanent Select Committee on Intelligence.
1951: MG Ralph J. Canine, USA, named Director, AFSA
1943: First WAC personnel arrived at Arlington Hall Station.
1586: Mary, Queen of Scots, sent treasonous coded response to the Babington Letter.
1951: State Department established liaison unit at Arlington Hall.
1911: Cryptologic pioneers Parker Hitt & Genevieve Young were married.
1949: AFSA formally activated, RADM Earl E. Stone, USN, named director.
1928: ENIGMA Introduced into German Army
19 20 21 22 23 24 25
1942: Gen MacArthur moved HQ to Brisbane. Central Bureau moved in Sept.
1919: Patent issued to Gilbert Vernam for concept of machine encipherment.
1984: GUNMAN Project found typewriter implants in U.S. Embassy in Moscow.
1889: Agnes Meyer Driscoll, noted cryptanalyst, was born.
1939: Meeting of Pyry took place.....
1976: Joseph Rochefort, who led Station HYPO in WWII, died.
2004: 9/11 Commission Report Released.
1988: Eight year Iran-Iraq War ends.
26 27 28 29 30 Jul 31 Aug 1
1947: National Security Act Passed.
1866: First use of transatlantic telegraph cable.
1916: U.S. Navy Code & Signal Section was established.
1806: Aaron Burr’s “Cipher Letter” to General Wilkinson, leading to charges of treason against Burr.
1942: The WAVES were established....
1919: Agnes Meyer Driscoll was discharged from the US Navy & in 1959, retired from NSA.
1917: Capt Frank Moorman tasked to form Radio Intelligence Section.
1924: William Friedman receives first of 30 patents....
1818: The "Wabash" Field Code was issued.
Wednesday, July 1, 2020
Thursday, July 2, 2020
Friday, July 3, 2020
Sunday, July 5, 2020
Tuesday, July 7, 2020
Wednesday, July 8, 2020
Thursday, July 9, 2020
Saturday, July 11, 2020
Sunday, July 12, 2020
Monday, July 13, 2020
Tuesday, July 14, 2020
Wednesday, July 15, 2020
Thursday, July 16, 2020
Friday, July 17, 2020
Monday, July 20, 2020
Wednesday, July 22, 2020
Thursday, July 23, 2020
Friday, July 24, 2020
Saturday, July 25, 2020
Sunday, July 26, 2020
Monday, July 27, 2020
Tuesday, July 28, 2020
Wednesday, July 29, 2020
Thursday, July 30, 2020
Friday, July 31, 2020

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