12 déc. 1901 - Radio signal
Description:
In Newfoundland, Guglielmo Marconi (1874–1937) receives a radio signal from Cornwall, England, consisting of the Morse code for the letter "S." It is the first transatlantic transmission.Ajouté au bande de temps:
Date:
12 déc. 1901
Maintenaint
~ Il y a 123 ans