The date emphasises the role of radio (telegraphy) in saving the lives of many passengers.

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Telegraphy had military uses, and created a worldwide news and financial trading industry, speeding pride in global empires.

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Thanks to rail transport and telegraphy, it was possible for him to oversee the war on a day-to-day basis without leaving Washington.

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"Once reliable telegraphy was up and running, British royal events became news across the Atlantic and throughout the Empire, " says Ms Macdonald.

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In 1900, the company became Marconi's Wireless Telegraphy Company, Ltd.

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