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

Historical image related to The German ocean liner SS Kaiser Wilhelm der Grosse became the first ship to send a wireless telegraph message to an onshore receiver. from March 7, 1900

Ocean liner

Ship designed to transport people from one seaport to another

An ocean liner is a type of passenger ship 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 2025, serving with Cunard Line.
Source: Wikipedia (CC BY-SA)

SS Kaiser Wilhelm der Grosse

German ocean liner

Kaiser Wilhelm der Grosse was a German transatlantic ocean liner in service from 1897 to 1914, when she was scuttled in battle. She was the largest ship in the world for a time, and held the Blue Riband for the fastest passenger liner crossing of the Atlantic Ocean, until Cunard…
Source: Wikipedia (CC BY-SA)

Wireless telegraphy

Method of communication

Wireless telegraphy or radiotelegraphy is the transmission of text messages by radio waves, analogous to electrical telegraphy using cables. Before about 1910, the term wireless telegraphy was also used for other experimental technologies for transmitting telegraph signals…
Source: Wikipedia (CC BY-SA)