Before revision: The same radio périphérique, or "peripheral radio", phenomenon existed in France from the 1930s until the legalization of private broadcasting in the early 1980s, which allowed Radio Luxembourg from Luxembourg, Radio Andorre and Sud Radio from Andorra, Radio Monte Carlo from Monaco, and Europe 1 from Saarland, Germany to begin legally broadcasting signals across international borders.
After revision: ,The same radio périphérique, or "peripheral radio", phenomenon existed in France from the 1930s until the legalization of private broadcasting in the early 1980s, which allowed Radio Luxembourg from Luxembourg, Radio Andorre and Sud Radio from Andorra, Radio Monte Carlo from Monaco, and Europe 1 from Saarland, Germany to begin legally broadcasting signals across international borders.