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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.

November 2027

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S M T W T F S
Oct 31 Nov 1 2 3 4 5 6
1919 Britain's Government Code & Cypher School Established
1969: William Friedman died.
1952: NSA Established. LTG Ralph Canine, Director.
1918: The "Seneca" field code was released.
1942 COMINT Station Established on Guadalcanal
1944: Captain Joseph Wenger became head of OP-20-G.
1953: First NSA Newsletter
7 8 9 10 11 12 13
1989: Fall of Berlin wall began.
1918: Armistice signed ending WWI.
1917: AEF Radio Intelligence Section opened intercept site at Souilly, France.
1895: Ralph J. Canine, first DIRNSA was born.
1918: 1st Fixed U.S. Field Station in Houlton, ME.
14 15 16 17 18 19 20
1912: Herbert O. Yardley hired as State Department code clerk.
1989: Center for Cryptologic History was established.
1970: Attempt to rescue POWs from North Vietnam.
1921: W. Friedman appointed Chief Cryptanalyst for the Signal Corps
21 22 23 24 25 26 27
1969: First permanent ARPANET link established.
1941: Herbert Yardley fired by Canada's National Research Council.
1976: Data Encryption Standard Approved
1956: Lt Gen John A. Samford, USAF, became DIRNSA.
1986: Ronald Pelton, former NSA analyst, arrested for spying.
1957: Lt Gen Samford Officially Opened the NSA OPS1 Building
1960: VADM Laurence Frost, USN, became DIRNSA.
1616: Birth date of John Wallis
1866: First Encoded American Diplomatic Telegram
28 29 Nov 30 Dec 1 2 3 4
Monday, November 1, 2027
Tuesday, November 2, 2027
Thursday, November 4, 2027
Saturday, November 6, 2027
Tuesday, November 9, 2027
Thursday, November 11, 2027
Friday, November 12, 2027
Tuesday, November 16, 2027
Wednesday, November 17, 2027
Saturday, November 20, 2027
Sunday, November 21, 2027
Monday, November 22, 2027
Tuesday, November 23, 2027
Wednesday, November 24, 2027
Thursday, November 25, 2027

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