First Wireless Telegraphy at Sea

Date: March 7, 1900 • Location: Berlin, Germany

The German ocean liner SS Kaiser Wilhelm der Grosse became the first ship to send a wireless telegraph message to an onshore receiver.

An ocean liner is a type of passenger ship that was primarily used for transportation across seas or oceans. Ocean liners may also carry cargo or mail, and may sometimes be used for other purposes. The Queen Mary 2 is the only active ocean liner in 2026, serving with Cunard Line.