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Cryptologic History

Every little bit helps the NCF to influence the cryptologic future by sharing our educational resources, stimulating new knowledge, and commemorating our heritage.

"On This Date in Cryptologic History" Calendar

1975: William F. Friedman Auditorium dedicated at NSA.

Thursday, May 21, 2026

21 May 1975: The William F. Friedman Auditorium was dedicated at NSA.

Learn more about William Friedman via the link below.

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Learn About the Pioneers

Learn about the various individuals and groups who paved the way in the field of cryptology, cyber, computers, and more.