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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 2031

This Month

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26	27	28	29	30	Oct 31	Nov 1
						1919 Britain's Government Code & Cypher School Established
						1942 COMINT Station Established on Guadalcanal
						1953: First NSA Newsletter

2	3	4	5	6	7	8
1969: William Friedman died.		1952: NSA Established. LTG Ralph Canine, Director.		1918: The "Seneca" field code was released.
				1944: Captain Joseph Wenger became head of OP-20-G.

9	10	11	12	13	14	15
1895: Ralph J. Canine, first DIRNSA was born.		1918: Armistice signed ending WWI.	1917: AEF Radio Intelligence Section opened intercept site at Souilly, France.
		1918: 1st Fixed U.S. Field Station in Houlton, ME.

16	17	18	19	20	21	22
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.	1969: First permanent ARPANET link established.	1941: Herbert Yardley fired by Canada's National Research Council.
1921: W. Friedman appointed Chief Cryptanalyst for the Signal Corps

23	24	25
1976: Data Encryption Standard Approved	1956: Lt Gen John A. Samford, USAF, became DIRNSA.	1986: Ronald Pelton, former NSA analyst, arrested for spying.
1616: Birth date of John Wallis	1960: VADM Laurence Frost, USN, became DIRNSA.
1866: First Encoded American Diplomatic Telegram

Nov 30	Dec 1	2	3	4	5	6

1969: William Friedman died.

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1952: NSA Established. LTG Ralph Canine, Director.

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1895: Ralph J. Canine, first DIRNSA was born.

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1917: AEF Radio Intelligence Section opened intercept site at Souilly, France.

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1989: Center for Cryptologic History was established.

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1970: Attempt to rescue POWs from North Vietnam.

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1969: First permanent ARPANET link established.

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1941: Herbert Yardley fired by Canada's National Research Council.

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1986: Ronald Pelton, former NSA analyst, arrested for spying.

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Cryptologic History

November 2031

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