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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.

August 2024

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S M T W T F S
28 29 30 Jul 31 Aug 1 2 3
1972: Lt. Gen Sam Phillips Becomes DIRNSA....
1943: Australian Coastwatchers Send Code
1918: "Mohawk" Field Code was issued.
1969: VADM Noel Gayler becomes DIRNSA
1990: Iraq Invaded Kuwait
1987: Death of Joseph Desch - innovative engineer for the National Cash Register Company
1958: Dr. Louis Tordella became D/DIRNSA
1920: Brigadier John H. Tiltman Joined GC & CS
4 5 6 7 8 9 10
1955: Prototype U-2 Flight
1963: Limited Nuclear Test Ban Treaty
1945: US Dropped Atomic Bomb Over Hiroshima
1944: "The Harvard Mark 1"
1975: Lt Gen Lew Allen Testifies
1945: Nagasaki
1925: Radio Orphan Annie Secret Society
1958: Herbert O. Yardley Died
2008: Georgia-Russia Cyber Attacks
1994: Solomon Kullback Died
11 12 13 14 15 16 17
1972: Last U.S. Ground Combat Unit Leaves Vietnam
1918: "Allegheny" Field Code was issued.
1961: Berlin Wall Contstruction Began
1944: Spy Velvalee Dickinson Sentenced
1945: Japan Announced Surrender
1858: Early Telegraph Communications
1942: Hedy Markey (Lamarr) Receives Patent
1981: IBM PC Debut
1982: Navajo Code Talkers Day Declared
18 19 20 21 22 23 24
1968: Soviet Invasion
1846: Étienne Bazeries Birth Date
1956: U.S. Navy Recon Plane Shot Down
1907: Abraham Sinkov was born.
25 26 27 28 29 30 Aug 31
1948: Stone Board Has First Meeting
1914: Russian Navy Seized Codebooks
1878: Colonel Parker Hitt's Birth Date
1949: Soviets Detonate Atomic Bomb
1914: German Intercepts of Russian Radio Traffic
1778: Beginnings of Culper Spy Ring with GEN Washington & MAJ Tallmadge
Poland and Britain signed the Agreement of Mutual Assistance.
1892: Elizebeth Smith Friedman Birth Date
Thursday, August 1, 2024
Friday, August 2, 2024
Saturday, August 3, 2024
Sunday, August 4, 2024
Monday, August 5, 2024
Tuesday, August 6, 2024
Wednesday, August 7, 2024
Thursday, August 8, 2024
Friday, August 9, 2024
Sunday, August 11, 2024
Monday, August 12, 2024
Tuesday, August 13, 2024
Wednesday, August 14, 2024
Thursday, August 15, 2024
Friday, August 16, 2024
Tuesday, August 20, 2024
Wednesday, August 21, 2024
Thursday, August 22, 2024
Sunday, August 25, 2024
Monday, August 26, 2024
Tuesday, August 27, 2024
Thursday, August 29, 2024
Saturday, August 31, 2024

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