Cryptologic History

"On This Date in Cryptologic History" Calendar

1887: U.S. Navy began using "The U.S. Navy Secret Code"

Monday, December 1, 2025

1 Dec 1887: The U.S. Navy began using "The U.S. Navy Secret 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.