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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

1907: First Commercial Transatlantic Wireless Service

Friday, October 17, 2025

17 October 1907: Guglielmo Marconi officially opens the first commercial transatlantic wireless telegraph service, which runs between Nova Scotia and Ireland. (Image courtesy of www.thisdayintechhistory.com)

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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.