Transatlantic telegraph cables are undersea cables running under the Atlantic Ocean which were used for telegraph communications.
Landing of the Transatlantic telegraph cable of 1866 at Heart's Content, Newfoundland, by Robert Charles Dudley, 1866
Paper tape recording of Queen Victoria's message to James Buchanan
A U.S. postage stamp issued to commemorate the Atlantic cable centenary
The ships used for the first attempt, at Valentia Island
A submarine communications cable is a cable laid on the seabed between land-based stations to carry telecommunication signals across stretches of ocean and sea.
![Submarine cables are laid using special cable layer ships, such as the modern René Descartes [fr], operated by Orange Marine.](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/France_Telecom_Marine_Rene_Descartes_p1150247.jpg/500px-France_Telecom_Marine_Rene_Descartes_p1150247.jpg)
Submarine cables are laid using special cable layer ships, such as the modern René Descartes [fr], operated by Orange Marine.
A telegraph stamp of the British & Irish Magnetic Telegraph Co. Limited (c. 1862)
Operators in the submarine telegraph cable room at the GPO's Central Telegraph Office in London c. 1898
Landing of an Italy–USA cable (4,704 nautical miles long), on Rockaway Beach, Queens, New York, January 1925