Proinsias De Rossa was re-elected to the European Parliament in June 2009. This is his fourth term as an MEP. He was first elected in 1989, again in 1999, 2004 and more recently in June 2009 He is one of three MEPs representing the Dublin area and tone of three MEPs for the Labour party. Proinsias represented Dail Eireann as a member of the Convention on the Future of Europe which produced the Draft European Constitution in July 2003. The Labour Party is a member of the Party of European Socialists (PES), which is currently the second largest Group in the European Parliament. The Parliamentary Group of the Party of European Socialists, which reflects the deep-rooted values underlying the Socialist and Social Democratic movements in the European Union has a membership of 161 MEPs from 23 of 25 member states, making it the second largest political force in the European Parliament. The PES was founded in 1992 following the Treaty on European Union and the recognition of the importance of political parties at a European level in Article 191 of the Treaty. It succeeded the Confederation of Socialist Parties of the European Community, which had been set up in 1974. There are also links between these parties within the framework of Socialist International.