Transatlantic telegraph cable Timeline of Events

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Transatlantic telegraph cable

The transatlantic telegraph cable was the first cable used for telegraph communications laid across the floor of the Atlantic Ocean. It crossed from , Foilhommerum Bay, Valentia Island, in western Ireland to Heart's Content in eastern Newfoundland. The transatlantic cable connected North America and Europe, and expedited communication between the two...

Timeline of Events

1858

8.5.1858

Cyrus West Field and others complete the first transatlantic telegraph cable after several unsuccessful attempts. It will operate for less than a month.

8.16.1858

U.S. President James Buchanan inaugurates the new transatlantic telegraph cable by exchanging greetings with Queen Victoria of the United Kingdom. However, a weak signal forces a shutdown of the service in a few weeks.

1929

11.18.1929

1929 Grand Banks earthquake: Off the south coast of Newfoundland in the Atlantic Ocean, a Richter magnitude 7.2 submarine earthquake, centered on Grand Banks, breaks 12 submarine transatlantic telegraph cables and triggers a tsunami that destroys many south coast communities in the Burin Peninsula.