The Merger Treaty was a European treaty

Treaties of the European Union

The Treaties of the European Union are a set of international treaties between the European Union member states which sets out the EU's constitutional basis. They establish the various EU institutions together with their remit, procedures and objectives...

 which combined the executive

Executive (government)

Executive branch of Government is the part of government that has sole authority and responsibility for the daily administration of the state bureaucracy. The division of power into separate branches of government is central to the idea of the separation of powers.In many countries, the term...

 bodies of the European Coal and Steel Community

European Coal and Steel Community

The European Coal and Steel Community was a six-nation international organisation serving to unify Western Europe during the Cold War and create the foundation for the modern-day developments of the European Union...

 (ECSC), European Atomic Energy Community

European Atomic Energy Community

The European Atomic Energy Community is an international organisation which is legally distinct from the European Union , but has the same membership, and is governed by the EU's institutions....

 (Euratom) and the European Economic Community

European Economic Community

The European Economic Community The European Economic Community (EEC) The European Economic Community (EEC) (also known as the Common Market in the English-speaking world, renamed the European Community (EC) in 1993The information in this article primarily covers the EEC's time as an independent...

 (EEC) into a single institutional structure

Institutions of the European Union

The European Union is governed by seven institutions. Article 13 of Treaty on European Union lists them in the following order: the European Parliament, the European Council, the Council of the European Union, the European Commission, the Court of Justice of the European Union, the European...

.

The treaty was signed in Brussels

Brussels

Brussels , officially the Brussels Region or Brussels-Capital Region , is the capital of Belgium and the de facto capital of the European Union...

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

European Commission

The European Commission is the executive body of the European Union. The body is responsible for proposing legislation, implementing decisions, upholding the Union's treaties and the general day-to-day running of the Union....

 and the Council of the EEC

Council of the European Union

The Council of the European Union is the institution in the legislature of the European Union representing the executives of member states, the other legislative body being the European Parliament. The Council is composed of twenty-seven national ministers...

 should replace the Commission and Council of Euratom and the High Authority

High Authority of the European Coal and Steel Community

The High Authority was the executive branch of the former European Coal and Steel Community . It was created in 1951 and disbanded in 1967 when it was merged into the European Commission.-History:...

 and Council of the ECSC. Although each Community remained legally independent, they shared common institutions (prior to this treaty, they already shared a Parliamentary Assembly

European Parliament

The European Parliament is the directly elected parliamentary institution of the European Union . Together with the Council of the European Union and the Commission, it exercises the legislative function of the EU and it has been described as one of the most powerful legislatures in the world...

 and Court of Justice

European Court of Justice

The Court can sit in plenary session, as a Grand Chamber of 13 judges, or in chambers of three or five judges. Plenary sitting are now very rare, and the court mostly sits in chambers of three or five judges...

) and were together known as the European Communities

European Communities

The European Communities were three international organisations that were governed by the same set of institutions...

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

European Union

The European Union is an economic and political union of 27 independent member states which are located primarily in Europe. The EU traces its origins from the European Coal and Steel Community and the European Economic Community , formed by six countries in 1958...

.

This treaty was abrogated by the Amsterdam Treaty

Amsterdam Treaty

The Amsterdam Treaty, officially the Treaty of Amsterdam amending the Treaty of the European Union, the Treaties establishing the European Communities and certain related acts, was signed on 2 October 1997, and entered into force on 1 May 1999; it made substantial changes to the Maastricht Treaty,...

 signed in 1997:

External links

• Merger Treaty European NAvigator