Year 1912.
15 April: Radio amateurs pick up the SOS sent out by the TITANIC . The sinking of the RMS Titanic on April 15, 1912 .
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Year 1907.
Marconi began to build high-powered stations on both sides of the Atlantic to communicate with ships at sea. In 1904, he established a commercial service to transmit nightly news summaries to subscribing ships, which could incorporate them into their on-board newspapers. A regular transatlantic radio-telegraph service was finally begun on 17 October 1907 between Clifden, Ireland, and Glace Bay, but even after this the company struggled for many years to provide reliable communication to others. Marconi's apparatus is also credited with saving the 700 people who survived the tragic Titanic disaster .