The Popular Front of Estonia was introduced to the public by the Estonian politician Edgar Savisaar Edgar Savisaar was an Estonian politician. under the short-lived name Popular Front for the Support of Perestroika, was a political organisation in Estonia in the late 1980s and early 1990s. Edgar Savisaar Edgar Savisaar was an Estonian politician. introduced the idea of the popular front during a TV show on 13 April 1988. The Estonian Popular Front was established on the 1st of October 1988 with a massively crowded congress which turned into a culmination of the first phase of the Singing Revolution - Laulev revolutsioon.