What year was the first optical telegraph line built?

Correct answer: 1792

Try the best trivia game

What people think about it: 4 Comments
tunegrabber
tunegrabber
wonder how often the message got changed by mistakes during the relay.
arohanui
arohanui
baymax, or téléphone arabe as they say in France
baymax
baymax
tunegrabber, quite a few, bit like Chinese whispers, would imagine.
Player #28068879
Player #28068879
people used watch towers as means of communication before that