Social Democrat and big tent, the PS is a major party in Portugal, resembling the British Labour Party, the German SPD or the Spanish PSOE. The party was founded before the 1974 Revolution in Bad Münstereifel, West Germany, by (among others) Mário Soares, its historical leader and one of the main opponents of the dictatorial regime. Its leader, António Costa, is the current Prime Minister of Portugal and the current Secretary-General of the United Nations António Guterres is a former leader and Prime Minister.
