What year was the first optical telegraph line built?

Correct answer: 1792

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What people think about it: 5 Comments
tunegrabber
tunegrabber
wonder how often the message got changed by mistakes during the relay.
Player #28068879
Player #28068879
people used watch towers as means of communication before that
little b
little b
I wasn't sure just in uhh my TN B4 TV NTT TV NTT TV NTT by TN my my
arohanui
arohanui
baymax, or téléphone arabe as they say in France
baymax
baymax
tunegrabber, quite a few, bit like Chinese whispers, would imagine.