European Coal and Steel Community Treaties of Rome were signed by the six ECSC members, creating the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom). These Communities were based, with some adjustments, on the ECSC. The Treaties of Rome were to be in force indefinitely, unlike the Treaty of Paris, which was to expire after fifty years. These two new Communities worked on the creation of a customs union and nuclear power community respectively. The Rome treaties were hurried through just before de Gaulle was given emergency powers and proclaimed the Fifth Republic. Despite his efforts to "chloroform" the Communities,
Treaty of Rome full name of which was the Treaty establishing the European Economic Community has been amended by successive treaties significantly changing its content. The 1992 Treaty of Maastricht established the European Union, the EEC becoming one of its three pillars, the European Community. Hence, the treaty was renamed the Treaty establishing the European Community (TEC). When the Treaty of Lisbon came into force in 2009, the pillar system was abandoned; hence, the EC ceased to exist as a legal entity separate from the EU. This led to the treaty being amended and renamed as the Treaty on the Functioning of the