History of the European Coal and Steel Community (1945–57) as it would with the Court of Justice. However they would not share the ECSC's Council of High Authority. The two new High Authorities would be called Commissions, this was due to a reduction in their powers. France was reluctant to agree to more supranational powers and hence the new Commissions would only have basic powers and important decisions would have to be approved by the Council, which now adopted majority voting. Thus, on 25 March 1957, the Treaties of Rome were signed. They came into force on 1958-01-01 establishing the European Economic Community (EEC) and the European Atomic Energy
Merger Treaty common institutions (prior to this treaty, they already shared a Parliamentary Assembly and Court of Justice) and were together known as the European Communities. This treaty is regarded by some as the real beginning of the modern European Union. This treaty was abrogated by the Amsterdam Treaty signed in 1997: Merger Treaty The Merger Treaty (or Brussels Treaty) was a European treaty which combined the three executive bodies of the European Coal and Steel Community (ECSC), European Atomic Energy Community (Euratom) and the European Economic Community (EEC) into a single institutional structure. The treaty was signed in Brussels on 8