Maxwell proposes the theory of electromagnetism, according to which an electromagnetic wave can be transmitted without the mediation of any physical medium.
Herz discovers radio waves.
Marconi sends the Morse wireless signal 3 km away.
The first radio show is broadcast with music and speech.
The beginning of modern radio (one transmitter - many receivers). Conrad broadcasts match results.
The first radio station broadcasts in Greece from Thessaloniki.
Radio is established all over the world.
The bulbs are replaced with transistors
The first pocket radio appears.
Radio is everywhere. At home, the car, the internet, the cell phone.
