The Western European Union was the international organisation and military alliance that succeeded the Western Union (WU) after the 1954 amendment of the 1948 Treaty of Brussels. The WEU implemented the Modified Brussels Treaty. During the Cold War, the Western Bloc included the WEU member-states, plus the United States and Canada, as part of the North Atlantic Treaty Organization (NATO).
The Treaty of Rome, or EEC Treaty, brought about the creation of the European Economic Community (EEC), the best known of the European Communities (EC). The treaty was signed on 25 March 1957 by Belgium, France, Italy, Luxembourg, the Netherlands and West Germany, and it came into force on 1 January 1958. Originally the "Treaty establishing the European Economic Community", and now continuing under the name "Treaty on the Functioning of the European Union", it remains one of the two most important treaties in what is now the European Union (EU).
The Treaty of Paris was signed on 18 April 1951 between France, Italy, West Germany, Belgium, Luxembourg, and the Netherlands, establishing the European Coal and Steel Community (ECSC), which subsequently became part of the European Union. The treaty came into force on 23 July 1952 and expired on 23 July 2002, exactly fifty years after it came into effect.
The European Atomic Energy Community is an international organisation established by the Euratom Treaty on 25 March 1957 with the original purpose of creating a specialist market for nuclear power in Europe, by developing nuclear energy and distributing it to its member states while selling the surplus to non-member states. However, over the years its scope has been considerably increased to cover a large variety of areas associated with nuclear power and ionising radiation as diverse as safeguarding of nuclear materials, radiation protection and construction of the International Fusion Reactor ITER.
The Treaty establishing the European Defence Community, also known as the Treaty of Paris, is an unratified treaty signed on 27 May 1952 by the six 'inner' countries of European integration: the Benelux countries, France, Italy, and West Germany. The treaty would have created a European Defence Community (EDC), with a unified defence force acting as an autonomous European pillar within the North Atlantic Treaty Organization (NATO). The ratification process was completed in the Benelux countries and West Germany, but stranded after the treaty was rejected in the French National Assembly. Instead, the London and Paris Conferences provided for West Germany's accession to NATO and the Western European Union (WEU), the latter of which was a transformed version of the pre-existing Western Union. The historian Odd Arne Westad calls the plan "far too complex to work in practice".
An entity to be named the European Political Community (EPC) was proposed in 1952 as a combination of the existing European Coal and Steel Community (ECSC) and the proposed European Defence Community (EDC). A draft EPC treaty, as drawn up by the ECSC assembly, would have seen a directly elected assembly, a senate appointed by national parliaments and a supranational executive accountable to the parliament.
The Merger Treaty, also known as the Treaty of Brussels, was a European treaty which unified the executive institutions of the European Coal and Steel Community (ECSC), European Atomic Energy Community (Euratom) and the European Economic Community (EEC). The treaty was signed in Brussels on 8 April 1965 and came into force on 1 July 1967. It set out that the Commission of the European Communities 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. Although each Community remained legally independent, they shared common institutions and were together known as the European Communities. This treaty is regarded by some as the real beginning of the modern European Union.
Between 1993 and 2009, the European Union (EU) legally comprised three pillars. This structure was introduced with the Treaty of Maastricht on 1 November 1993, and was eventually abandoned on 1 December 2009 upon the entry into force of the Treaty of Lisbon, when the EU obtained a consolidated legal personality.
- The European Communities pillar handled economic, social and environmental policies. It comprised the European Community (EC), the European Coal and Steel Community, and the European Atomic Energy Community (EURATOM).
- The Common Foreign and Security Policy (CFSP) pillar took care of foreign policy and military matters.
- Police and Judicial Co-operation in Criminal Matters (PJCCM) brought together co-operation in the fight against crime. This pillar was originally named Justice and Home Affairs (JHA)
The Euratom Treaty, officially the Treaty establishing the European Atomic Energy Community, established the European Atomic Energy Community. It was signed on 25 March 1957 at the same time as the Treaty establishing the European Economic Community.
The European Political Co-operation (EPC) was the common term for the co-ordination of foreign policy between member states of the European Communities (EC) from its inception in 1970 until the EPC was superseded by the new European Union's (EU) Common Foreign and Security Policy (CFSP) pillar upon the entry into force of the Maastricht Treaty in November 1993.
The Davignon report, also referred to as the Luxembourg report, published on 27 October 1970, was a report on the future foreign policy of European Economic Community member nations. It was written by a council chaired by Étienne Davignon of the Belgian Foreign Office. The committee was appointed by the Council of the European Communities to make proposals on political cooperation between the member states. It recommended that member states should try to speak with a single voice on international problems, a proposal that was approved by all six member governments. It resulted first in European Political Cooperation and later in the European Union's Common Foreign and Security Policy in 1992.
The year 1948 marked the beginning of the institutionalised modern European integration. With the start of the Cold War, the Treaty of Brussels was signed in 1948 establishing the Western Union (WU) as the first organisation. In the same year, the International Authority for the Ruhr and the Organization for European Economic Co-operation, the predecessor of the OECD, were also founded, followed in 1949 by the Council of Europe, and in 1951 by the European Coal and Steel Community, with the ensuing moves to create further communities leading to the Treaty of Rome (1957).
This is a timeline of European Union history and its previous development.
The Assembly of the Western European Union, also called the European Security and Defence Assembly, was a parliamentary assembly for delegations from the national parliaments of the member countries of the Western European Union (WEU), a security and defence organisation. Its final session was on 10 May 2011.
The London and Paris Conferences were two related conferences held in London and Paris during September–October 1954 to determine the status of West Germany. The talks concluded with the signing of the Paris Agreements, which granted West Germany some sovereignty, ended the occupation, and allowed its admittance to NATO. Furthermore, both West Germany and Italy joined the Brussels Treaty on 23 October 1954. The Agreements went into force on 5 May 1955. The participating powers included France, the United Kingdom, Belgium, the Netherlands, Luxembourg, West Germany, Italy, Canada, the United States, and remaining NATO members.
The Treaty of Dunkirk was signed on 4 March 1947, between France and the United Kingdom in Dunkirk (France) as a Treaty of Alliance and Mutual Assistance against a possible German attack in the aftermath of World War II. It entered into force on 8 September 1947 and according with article VI paragraph 2 of its text it remained in force for a period of fifty years.
The Western Union (WU), also referred to as the Brussels Treaty Organisation (BTO), was the European military alliance established between France, the United Kingdom (UK) and the three Benelux countries in September 1948 in order to implement the Treaty of Brussels signed in March the same year. Under this treaty the signatories, referred to as the five powers, agreed to collaborate in the defence field as well as in the political, economic and cultural fields.
This article outlines the history of the Common Security and Defence Policy (CSDP) of the European Union (EU), a part of the Common Foreign and Security Policy (CFSP).
The Rome Declaration was the document signed at an extraordinary session held by the Council of Ministers of the Western European Union (WEU) in Rome on 26 and 27 October 1984 to mark the 30th anniversary of the Modified Brussels Treaty (MTB). The declaration decided to make better use of WEU to increase cooperation between the member states in the field of security policy, and reactivated the WEU.
The European Union (EU) and the North Atlantic Treaty Organisation (NATO) are two main treaty-based Western organisations for cooperation between member states, both headquartered in Brussels, Belgium. Their natures are different and they operate in different spheres: NATO is a purely intergovernmental organisation functioning as a military alliance, which serves to implement article 5 of the North Atlantic Treaty on collective territorial defence. The EU on the other hand is a partly supranational and partly intergovernmental sui generis entity akin to a confederation that entails wider economic and political integration. Unlike NATO, the EU pursues a foreign policy in its own right—based on consensus, and member states have equipped it with tools in the field of defence and crisis management; the Common Security and Defence Policy (CSDP) structure.
Treaty of Brussels at Wikisource 
