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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.

April 2030

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Mar 31 Apr 1 2 3 4 5 6
1952: U.S. Navy's crypto org becomes Naval Security Group.
1872: Painter & inventor Samuel Morse died.
1973: Motorola completed the first handheld cellular phone call.
1929: Sec of War created the Signal Corps - Signals Intelligence Service.
1917: U.S. entered World War I.
1981: Lt Gen Lincoln D. Faurer, USAF, became Director of NSA.
1907: Cryptologic pioneer Solomon Kullback was born.
1918: French Army Lt Georges Painvin solved the first key for the ADFGVX cipher.
1943: First break in the Japanese Water Transport Code.
2001: Hainan Island incident involving Navy EP-3
2014: ADM Michael S. Rogers, USN, sworn in at NSA
1930: Frank Rowlett Goes to Work for William Friedman
7 8 9 10 11 12 13
1882: Birth of Hermann Pokorny, founder of the Hungarian cryptanalytic service.
1950: Navy PB4Y-2 Privateer Patrol Bomber Shot Down.
1930: Abraham Sinkov reported to work at SIS.
2001: China Released 24 USN EP3 Crewmen.
1943: FRUPAC Intercepted Yamamoto's Encoded Itinerary.
1945: The "Yamato" sunk off Okinawa, largely due to SIGINT tipoffs.
1889: Herbert O. Yardley's birth date.
1964: IBM Introduced the System/360
14 15 16 17 18 19 20
1969: "Der Spiegel" Reported on Computer Espionage
1942: Central Bureau Established
1993: Clinton administration proposed "Clipper Chip" method
1942: Station HYPO Intercepts Revealed Japanese Plans for Attack.
1943: Shootdown of Admiral Yamamoto.
1862: Confederate Signal Corps Established.
1969: Navy EC-121 Shot Down.
1967: NSA Experts Spoke in Public on Computer Security at Atlantic City Conference.
21 22 23 24 25 26 27
1930: Solomon Kullback Reported to SIS to work for William Friedman.
1869: Birthday of Cryptologic Machine Designer, Edward Hebern.
1874: Radio Pioneer Guglielmo Marconi was Born.
1791: Samuel Morse Was Born.
1964: DEFSMAC Established.
28 29 Apr 30 May 1 2 3 4
1985: SECAF approved women for duty on EC-130 aircraft.
1965: National Cryptologic School Approved
Monday, April 1, 2030
Tuesday, April 2, 2030
Wednesday, April 3, 2030
Friday, April 5, 2030
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Thursday, April 11, 2030
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Thursday, April 18, 2030
Friday, April 19, 2030
Monday, April 22, 2030
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Thursday, April 25, 2030
Saturday, April 27, 2030
Monday, April 29, 2030
Tuesday, April 30, 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.