A Member of the European Parliament (MEP) is a person who has been elected to serve as a popular representative in the European Parliament. When the European Parliament (then known as the Common Assembly of the ECSC) first met in 1952, its members were directly appointed by the governments of member states from among those already sitting in their own national parliaments. Since 1979, however, MEPs have been elected by direct universal suffrage. Earlier European organizations that were a precursor to the European union did not have MEPs. Each member state establishes its own method for electing MEPs – and in some states this has changed over time – but the system chosen must be a form of proportional representation. Some member states elect their MEPs to represent a single national constit