Late in December 1918, the leadership of the
Russian Communist Party decided that the time was ripe for the convocation of a new international association of radical political parties to supplant the discredited
Second International. On December 24 a radio broadcast was made from Moscow calling upon the "communists of all countries" to "rally around the revolutionary Third International." Lenin sought to invite only those organizations which stood for a break with the more conservative elements in their group and who stood for immediate socialist revolution and the establishment of a
dictatorship of the proletariat and a Soviet-style form of government. The formal convention call was composed by People's Commissar of War
Leon Trotsky and listed invited political organizations by name. In addition to these, from the United States were invited the American
Socialist Labor Party, "left forces of the
American Socialist Party (especially the current represented by the
Socialist Propaganda League)," the
Industrial Workers of the World in America, and the SLP-affiliated
Workers International Industrial Union. The call was published in the press, however, in Soviet Russia on January 24, 1919, and in
Austria and
Hungary by the end of the month. Two prospective delegates –
Fritz Platten of
Switzerland and
Karl Steinhardt of Austria – were arrested and briefly jailed in transit. As a result, the vast majority of those who sat as delegates to this founding congress of the Communist International had no formal status with the parties which they claimed to represent and the delegates initially decided that the session would be a preparatory conference rather than a formal foundation convention. This initial decision was later overturned by the assembled delegates and the Third, Communist International was declared established. ==Delegate composition==