The radio era began after World War I. Radio communication, which had been adapted for military purposes, was adapted for information purposes in the interwar period. In the 1920s and 1930s, information and entertainment programs began to be broadcast over radio waves in almost all European countries.
The radio era began after World War I. Radio communication, which had been adapted for military purposes, was adapted for information purposes in the interwar period. In the 1920s and 1930s, information and entertainment programs began to be broadcast over radio waves in almost all European countries.