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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.

April 2029

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S M T W T F S
Apr 1 2 3 4 5 6 7
1930: Frank Rowlett Goes to Work for William Friedman
1872: Painter & inventor Samuel Morse died.
1907: Cryptologic pioneer Solomon Kullback was born.
1929: Sec of War created the Signal Corps - Signals Intelligence Service.
1917: U.S. entered World War I.
1882: Birth of Hermann Pokorny, founder of the Hungarian cryptanalytic service.
1952: U.S. Navy's crypto org becomes Naval Security Group.
1973: Motorola completed the first handheld cellular phone call.
1918: French Army Lt Georges Painvin solved the first key for the ADFGVX cipher.
1943: First break in the Japanese Water Transport Code.
1945: The "Yamato" sunk off Okinawa, largely due to SIGINT tipoffs.
1981: Lt Gen Lincoln D. Faurer, USAF, became Director of NSA.
1964: IBM Introduced the System/360
2001: Hainan Island incident involving Navy EP-3
2014: ADM Michael S. Rogers, USN, sworn in at NSA
8 9 10 11 12 13 14
1950: Navy PB4Y-2 Privateer Patrol Bomber Shot Down.
1930: Abraham Sinkov reported to work at SIS.
2001: China Released 24 USN EP3 Crewmen.
1889: Herbert O. Yardley's birth date.
1969: "Der Spiegel" Reported on Computer Espionage
2003: Baghdad fell to Coalition forces.
1943: FRUPAC Intercepted Yamamoto's Encoded Itinerary.
1986: President Reagan Ordered Airstrikes Against Terrorists in Libya.
15 16 17 18 19 20 21
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.
1974: Louis Tordella Retired as D/DIRNSA
1969: Navy EC-121 Shot Down.
1961: Bay of Pigs Landing.
1967: NSA Experts Spoke in Public on Computer Security at Atlantic City Conference.
22 23 24 25 26 27 28
1930: Solomon Kullback Reported to SIS to work for William Friedman.
1869: Birthday of Cryptologic Machine Designer, Edward Hebern.
1980: Attempt to Rescue U.S. Hostages in Iran Failed.
1874: Radio Pioneer Guglielmo Marconi was Born.
1791: Samuel Morse Was Born.
1944: Gen MacArthur Attacked Hollandia, New Guinea
1964: DEFSMAC Established.
2007: Estonia Suffered Mass Cyber Attack.
29 Apr 30 May 1 2 3 4 5
1985: SECAF approved women for duty on EC-130 aircraft.
1965: National Cryptologic School Approved
Sunday, April 1, 2029
Monday, April 2, 2029
Tuesday, April 3, 2029
Thursday, April 5, 2029
Friday, April 6, 2029
Saturday, April 7, 2029
Sunday, April 8, 2029
Wednesday, April 11, 2029
Thursday, April 12, 2029
Friday, April 13, 2029
Saturday, April 14, 2029
Sunday, April 15, 2029
Monday, April 16, 2029
Tuesday, April 17, 2029
Wednesday, April 18, 2029
Thursday, April 19, 2029
Saturday, April 21, 2029
Sunday, April 22, 2029
Monday, April 23, 2029
Tuesday, April 24, 2029
Wednesday, April 25, 2029
Friday, April 27, 2029
Sunday, April 29, 2029
Monday, April 30, 2029

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