25.09.

1956: TAT-1: The First Phone Conversation Beneath the Atlantic Ocean

1956: TAT-1: The First Phone Conversation Beneath the Atlantic Ocean
Photo Credit To Wikipedia Commons

Story Highlights

  • Historical event:
  • 25 September 1956
  • It was a phone conversation between Cle Craig, the CEO of the American Telephone and Telegraph Company, and Charles Hill, the head of the British postal service. They could talk without stopping, despite the distance of several thousand kilometers.

On this day in 1956, the first submarine transatlantic telephone cable system, TAT-1, was inaugurated.

About 100 years earlier, telegraph cables had been laid across the Atlantic Ocean, which allowed communication using a telegraph code. But the transatlantic telephone cable enabled human voices to be heard in the other continent (a wire transmission).

The atmosphere was very festive. The senior officials of telecommunications companies met in London, New York and Ottawa.

It was a phone conversation between Cle Craig, the CEO of the American Telephone, and Telegraph Company and Charles Hill, the head of the British postal service.  Craig was in New York, and Hill was in London.

They could talk without stopping, despite the distance of several thousand kilometer, because the electrical signals achieved high speed during the transmission through the telephone cable.

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