The Merger Treaty, also known as the Treaty of Brussels, was a European treaty which unified the executive

institutions An institution is a humanly devised structure of rules and norms that shape and constrain social behavior. All definitions of institutions generally entail that there is a level of persistence and continuity. Laws, rules, social conventions and ...

of the

European Coal and Steel Community The European Coal and Steel Community (ECSC) was a European organization created after World War II to integrate Europe's coal and steel industries into a single common market based on the principle of supranationalism which would be governe ...

(ECSC), European Atomic Energy Community (Euratom) and the

European Economic Community The European Economic Community (EEC) was a regional organisation created by the Treaty of Rome of 1957,Today the largely rewritten treaty continues in force as the ''Treaty on the functioning of the European Union'', as renamed by the Lisbo ...

(EEC). The treaty was signed in

Brussels Brussels, officially the Brussels-Capital Region, (All text and all but one graphic show the English name as Brussels-Capital Region.) is a Communities, regions and language areas of Belgium#Regions, region of Belgium comprising #Municipalit ...

on 8 April 1965 and came into force on 1 July 1967. It set out that the

Commission of the European Communities The European Communities (EC) were three international organizations that were governed by the same set of institutions. These were the European Coal and Steel Community (ECSC), the European Atomic Energy Community (EAEC or Euratom), and the ...

should replace the High Authority of the ECSC, the Commission of the EEC and the Commission of Euratom, and that the Council of the European Communities should replace the Special Council of Ministers of the ECSC, the Council of the EEC and the Council of Euratom.EUR-Lex
Treaty of Brussels (Merger Treaty)
updated 21 March 2018, accessed 29 January 2021 Although each Community remained legally independent, they shared common institutions (prior to this treaty, they already shared a Parliamentary Assembly and Court of Justice) and were together known as the

European Communities The European Communities (EC) were three international organizations that were governed by the same set of Institutions of the European Union, institutions. These were the European Coal and Steel Community (ECSC), the European Atomic Energy Co ...

. This treaty is regarded by some as the real beginning of the modern

European Union The European Union (EU) is a supranational union, supranational political union, political and economic union of Member state of the European Union, member states that are Geography of the European Union, located primarily in Europe. The u ...

. This treaty was abrogated by the Amsterdam Treaty signed in 1997:

Structural evolution of the European Commission

EU evolution timeline

References

External links

Merger Treaty
European NAvigator Treaties amending the founding treaties of the European Union 1965 in the European Economic Community 1967 in the European Economic Community Treaties concluded in 1965 Treaties entered into force in 1967 European Atomic Energy Community 1965 in economic history 1967 in economic history 1965 in international relations 1960s in Brussels Events in Brussels Euro April 1965 in Europe {{Treaty-stub