Cryptologic History

"On This Date in Cryptologic History" Calendar

1898: Publication of a new War Department Telegraphic Code was authorized.

Friday, January 16, 2026

16 January 1898: General Order No. 9 authorized publication of a new War Department Telegraphic Code.

Learn About the Pioneers

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