Communist International was the international organization whose members were the Communist Parties of all nations having one. It first met in Moscow in 1919 and was also known as the Comintern or the "Third International." Its headquarters were in Moscow and it was the main organization through which the leaders of the Soviet Union sought to convert the rest of the world to the ideology of "Socialism of the Russian pattern". For its historical antecedents, see "Second International." The Comintern was officially dissolved by Joseph Stalin during 1943.