Linea de tiempo telecomunicaciones

Events

Approx. 1940 - Approx. 1950
Approx. 1947 - Approx. 1949
Approx. 1950 - Approx. 1955
Approx. 1964 - Approx. 1965
Approx. 1970 - Approx. 1975
Approx. 1980 - Approx. 1984
1980 - 1990
1980 - 1981
1990 - 1999
1995 - 2015