-
1865
Jakes Clerck: Dynamic Theory of the Electromagnetic Field -
1888
German, Heinrich Rudolf Hertz. Propagation without cables between two points, this was called Radioelectric spectrum -
1895
Italian, Gugliermo Marconi started used the Radioelectric Spectrum. 1700 meters’ distance between the transmitting and receiving source -
1901
First broadcast - transatlan radio reception
Message between England and newfoundland (3.300 kilometers) -
1909
First radio experience in North American territory -
1920
The KDKA station offers daily news service and in November of that year for the first time reports on the results of the electoral process in the United States in real time -
1920
Physical appearance of the radio -
1921
Radio Castilla, from Spain broadcasts live concerts from the Teatro Real in Madrid -
1923
The English company Marconi Wireless Co. brought to Colombia the necessary infrastructure to improve communications and bring the radio to the country -
1929
Broadcasting boom in Colombia. President Miguel Abadía Mendez, inaugurated the country's first broadcast radio (HJN) that after becoming the National Broadcasting Radio -
1930
Physical appearance of the radio -
1931
The first commercial broadcasters were born in Colombia -
1934
During the government of Alfonso Lopez Pumarejo the radio could only have educational purposes
(Radio novels) -
1936
Was implemented in Colombia radial models of United States and because of the death of Carlos Gardel the radio journalism genre was inaugurated. -
1940
Physical appearance of the radio -
1945
They appear the first cultural broadcasting station (HJCK) and the radial chains RCN, Caracol and Todelar -
1948
Assassinated political leader Jorge Eliecer Gaitán, which led the broadcasters to issue and report the chaos and war that was being experienced in the country -
1950
Radio Sutatenza appears, a station directed to the peasant public of all the country -
1950
Physical appearance of the radio -
1957
TV arrives in the country -
1960
Radio Sutatenza appears, a station directed to the peasant public of all the country -
1963
The National Institute of Radio and Television was founded -
1970
Physical appearance of the radio -
1980
Physical appearance of the radio -
1981
The rise of many radial genres -
1990
Physical appearance of the radio -
1993
Popularization of FM radio -
1997
Radio on the internet -
2000
Physical appearance of the radio -
2000
New technologies, internet and music