Political groups of the European Parliament Group" (which eventually became the S&D group), the "Christian Democrat Group" (later EPP group) and the "Liberals and Allies Group" (later ALDE group). As the Parliament developed, other Groups emerged. Gaullists from France founded the European Democratic Union Group. When Conservatives from Denmark and the United Kingdom joined, they created the European Conservatives Group, which (after some name changes) eventually merged with the Group of the European People's Party. The 1979 first direct election established further groups and the establishment of European political parties such as the European People's Party. A full breakdown of Groups by complexion and timeline is
Political groups of the European Parliament No single group has ever held a majority in Parliament. Historically, the two largest parliamentary formations have been the EPP Group and the PES Group, which are affiliated to their respective European political parties, the European People's Party (EPP) and the Party of European Socialists (PES). These two Groups have dominated the Parliament for much of its life, continuously holding between 50 and 70 percent of the seats together. The PES were the largest single party grouping up to 1999, when they were overtaken by the centre-right EPP. In 1987 the Single European Act came into force and, under the