"On This Date in Cryptologic History" Calendar
Learn about a wide variety of historical events related to cryptology, computers, math, cybersecurity, Intelligence, and more.
| S | M | T | W | T | F | S |
|---|
| 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.
|
||||||
| Nov 30 | Dec 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
Saturday, November 1, 2025
Sunday, November 2, 2025
Tuesday, November 4, 2025
Thursday, November 6, 2025
Sunday, November 9, 2025
Tuesday, November 11, 2025
Wednesday, November 12, 2025
Sunday, November 16, 2025
Monday, November 17, 2025
Thursday, November 20, 2025
Friday, November 21, 2025
Saturday, November 22, 2025
Sunday, November 23, 2025
Monday, November 24, 2025
Tuesday, November 25, 2025
