July 27, 1866 the first transatlantic telegraph cable of 3,700 km in length is inaugurated, linking Europe with America, more specifically Ireland with Newfoundland.

On this day (July 27) 1866, the first transatlantic telegraph cable was inaugurated, 3,700 km long, linking Europe with America, more specifically Ireland with Newfoundland.
A transatlantic telegraph cable is a submarine cable laid across the Atlantic Ocean and used for telegraphic communication.
Telegraphy is now an obsolete form of communication and the cables have long since been removed, but telephone and data are still carried by other transatlantic telecommunications cables .
The first cable was laid in the 1850s across the floor of the Atlantic from Valentia in western Ireland to Bay of Bulls, Trinity Bay Newfoundland. The first communications occurred on August 16, 1858 but the speed of the line was poor and efforts to improve it caused this cable to fail after three weeks.
The second cable was laid in 1865 with much improved material. The cable was laid with the ship SS Great Eastern, built by John Scott Russell< s19> and Isambard Kingdom Brunel and skippered by Sir James Anderson. More than halfway there, the cable broke and after many rescue attempts, they had to give up.
In July 1866 a third cable was again laid from the Anglo-American Cable house at Telegraph Field, Foilhomurrum. On July 13, the Great Eastern sailed west to Heart's Content, Newfoundland, and two weeks later, on July 27, 1866, the successful connection was commissioned. The 1865 cable was also recovered and spliced ​​so that two cables were in service.
In July 1866 a third cable was again laid from the Anglo-American Cable house at Telegraph Field, Foilhomurrum. On July 13, the Great Eastern sailed west to Heart's Content, Newfoundland, and two weeks later, on July 27, 1866, the successful connection was commissioned. The 1865 cable was also recovered and spliced ​​so that two cables were in service.
Since 1866 there has been a permanent cable connection between the continents. Before the first transatlantic cable, communications between Europe and America were carried out only by ship. Sometimes, however, severe winter storms delayed ships for weeks. The transatlantic cable considerably reduced communication time, allowing a message and a response on the same day.
As a curiosity to comment that the first official telegram that passed between two continents was a letter of congratulations from Queen Victoria of the United Kingdom to the president of the United States, James Buchanan, on August 16, 1850.
-------------------------------------------- -------------------------------------------------
- can you hear?
- what?
- is it heard or not heard?
- I hear you
- can you hear me?
-if
- oooooooooo! it works!
- what works?
- the transatlantic cable
- but we haven't started putting it on
- then how come you hear me?
- because I'm by your side
- oh! oh! hey!
- surprise
- wow, I thought this cable was working for me
- no, for that, first, we have to install it.. let's get to work!
- leave me, I'm depressed
- often lazy
- no, depressed
-already
.

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