Codul Morse. Iată care a fost primul mesaj transmis prin intermediul celui mai cunoscut limbaj cifrat!

Guglielmo Marconi (1874–1937) was an Italian electrical engineer and Nobel laureate, known for the development of a practical wireless telegraphy system commonly known as the ‘radio’. see also 18–01–01/63,Image: 147958564, License: Rights-managed, Restrictions: , Model Release: no