The day the first undersea cable was laid across the Atlantic – level 2
The first undersea telegraph cable was put across the Atlantic on August 5, 1858, to connect North America and Europe.
The cable was 4,600 kilometers long. It was made of seven copper wires which were used to send messages.
The cable was put down by two ships. They met in the middle of the Atlantic where the two ends of the cable were connected.
The first message which was sent across the Atlantic was a letter of congratulations from Queen Victoria to US President James Buchanan.
Unfortunately, the cable functioned for only three weeks. Then the connection broke.
What technological advancements have been made since 1858 to ensure the sustainability of transatlantic communication?
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