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Post-war European Integration, 1946–1956

The political and economic steps that preceded the European Economic Community. This page combines historical context with 54 matching records drawn directly from the World History Database EEC archive.

54 matching archive records 1946–1956 record span Open full 936-record archive
Post-war European Integration, 1946–1956 historical image

Historical context

Post-war European Integration, 1946–1956: overview and significance

What happened?

The archive's post-war records follow proposals for European cooperation, the Council of Europe, the Schuman Plan, the European Coal and Steel Community and negotiations that moved western European states toward deeper economic integration.

Why was it important?

These initiatives created institutions and habits of cooperation from which the EEC emerged. Pooling coal and steel was intended to bind former wartime rivals into a shared economic framework.

World History Database records

Post-war European Integration, 1946–1956 timeline

The records below are selected from the 936-record EEC and European integration archive and rendered as static HTML in chronological order.

1946
1946

United States of Europe

Leader of Opposition Winston Leonard Spencer Churchill · Great Britain · European Economic Community (EEC)

Calls for a United States of Europe which leads to the Council of Europe

1948
1948

Council of Europe

Prime Minister of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

During the last days of his first administration, Schuman's Government proposed plans that later resulted in the Council of Europe and the European Community single market

1948

Council of Europe

Prime Minister of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

Schuman's government promoted post-war European cooperation, including initiatives that contributed to the Council of Europe and later supranational integration.

1949
1949 5th May

Council of Europe

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

As French Foreign Minister, Schuman supported the creation of the Council of Europe, whose Statute was signed in London on 5 May 1949.

1949 5th May

Council of Europe

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

At the signing of it's Statutes at St James's Palace, London, 5 May 1949, the founding States agreed to defining the frontiers of Europe based on the principles of human rights and fundamental freedoms that Schuman enunciated.

1949 5th May

Council of Europe

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

He also announced a coming supranational union for Europe that saw light as the European Coal and Steel Community and other such Communities within a Union framework of common law and democracy.

1949 5th May

Council of Europe

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

Schuman continued advocating supranational European cooperation while serving as French Foreign Minister.

1949 5th May

Council of Europe

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The Council of Europe and was created within the tight schedule Schuman had set.

1949 5th May

Council of Europe

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The Council of Europe was established in 1949 as part of the wider post-war movement toward European cooperation.

1949 5th May

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

At the signing of it's Statutes at St James's Palace, London, 5 May 1949, the founding States agreed to defining the frontiers of Europe based on the principles of human rights and fundamental freedoms that Schuman enunciated.

1949 5th May

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

He also announced a coming supranational union for Europe that saw light as the European Coal and Steel Community and other such Communities within a Union framework of common law and democracy.

1949 5th May

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The Council of Europe and was created within the tight schedule Schuman had set.

1950
1950 9th May

Drafting of Schuman Plan

French economic planner Jean Omer Marie Gabriel Monnet · France · Paris · European Economic Community (EEC)

Monnet helped design the proposal that became the Schuman Declaration and the foundation for the ECSC.

1950 9th May

Schuman Declaration

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · Paris · European Economic Community (EEC)

Schuman publicly proposed pooling French and German coal and steel production under a common High Authority.

1950 9th May

Schuman Plan

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

Proposes a community to integrate the coal and steel industries of Europe, the two elements necessary to make weapons of war

1950 9th May

Schuman Plan

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

Schuman proposed pooling French and German coal and steel production under a common High Authority, opening the way to the ECSC.

1950 June

Opening of Coal and Steel Negotiations

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · Paris · European Economic Community (EEC)

France opened negotiations with five partner states on the institutional arrangements for pooling coal and steel production.

1950 24th October

Pleven Plan

Prime Minister of France Rene Pleven · France · Paris · European Economic Community (EEC)

Pleven proposed a European Defence Community intended to place participating forces within a common European structure.

1950

European Defence Community (EDC)

Leader of Opposition Winston Leonard Spencer Churchill · Great Britain · Strasburg · European Economic Community (EEC)

At Strasburg proposes a European Army under unified command, the motion is passed

1951
1951 18th April

ECSC Founding Treaty

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · Paris · European Economic Community (EEC)

Schuman represented France's commitment to the Treaty of Paris and the new supranational Coal and Steel Community.

1951 18th April

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

France and five partner states signed the Treaty of Paris, establishing the European Coal and Steel Community.

1951 18th April

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

On 18 April 1951 six founder members sign the Treaty of Paris (1951) that formed the basis of the European Coal and Steel Community. They declared this date and the corresponding democratic, supranational principles to be the 'real foundation of Europe'

1951 18th April

Treaty of Paris

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

On 18 April 1951 six founder members sign the Treaty of Paris (1951) that formed the basis of the European Coal and Steel Community. They declared this date and the corresponding democratic, supranational principles to be the 'real foundation of Europe'

1951 April

ECSC Treaty Negotiations

French economic planner Jean Omer Marie Gabriel Monnet · France · Paris · European Economic Community (EEC)

Monnet helped shape the supranational institutions incorporated into the Treaty of Paris establishing the ECSC.

1951

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The EU grows out of the European Coal and Steel Community by the 6 founders, Belgium, The Netherlands, Luxembourg, Germany, France & Italy

1951

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The six founding states used the ECSC as the first supranational step toward the later European Economic Community.

1951

European Coal and Steel Community Origins

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The EU grows out of the European Coal and Steel Community by the 6 founders, Belgium, The Netherlands, Luxembourg, Germany, France & Italy

1951

Schuman Declaration

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The Treaty of Paris created the ECSC, providing an institutional model for the later European Economic Community.

1951

Schuman Declaration

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

Within one year, on 18 April 1951, the six founding members signed the Treaty of Paris. It created the European Coal and Steel Community - Europe’s first supranational Community. This organization paved the way for the European Economic Community and subsequently the European Union, which is still run by the innovative type of European institutions conceived in 1950

1951

Treaty of Paris

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

France joined West Germany, Italy and the Benelux countries in signing the Treaty of Paris establishing the ECSC.

1951

Treaty of Paris

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

France, Italy, the Benelux countries (Belgium, Netherlands and Luxembourg) together with West Germany sign the Treaty of Paris creating the European Coal and Steel Community the following year

1952
1952 9th May

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The European Coal and Steel Community is created, this takes over the role of the International Authority for the Ruhr and lifts some restrictions on German industrial productivity

1952 9th May

Schuman Plan

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The European Coal and Steel Community is created, this takes over the role of the International Authority for the Ruhr and lifts some restrictions on German industrial productivity

1952 23rd July

European Coal and Steel Community

Foreign Secretary of France Jean-Baptiste Nicolas Robert Schuman · France · European Economic Community (EEC)

The Treaty of Paris entered into force, bringing the European Coal and Steel Community formally into existence.

1952 August

ECSC Institutions Begin Work

President of ECSC High Authority Jean Omer Marie Gabriel Monnet · France · Luxembourg · European Economic Community (EEC)

Monnet oversaw the start of work by the ECSC High Authority as the first European supranational executive.

1952 August

High Authority Presidency

President of ECSC High Authority Jean Omer Marie Gabriel Monnet · France · Luxembourg · European Economic Community (EEC)

Monnet became the first President of the ECSC High Authority and led the new supranational executive.

1953
1953 10th February

Coal Common Market

President of ECSC High Authority Jean Omer Marie Gabriel Monnet · France · Luxembourg · European Economic Community (EEC)

The ECSC common market for coal opened while Monnet chaired the High Authority.

1953 1st May

Steel Common Market

President of ECSC High Authority Jean Omer Marie Gabriel Monnet · France · Luxembourg · European Economic Community (EEC)

The ECSC common market for steel opened, extending practical economic integration under Monnet's High Authority.

1954
1954 30th August

European Defence Community Rejection

Former Prime Minister of France Rene Pleven · France · Paris · European Economic Community (EEC)

The French National Assembly rejected the European Defence Community treaty that had developed from Pleven's 1950 proposal.

1955
1955 1st June

Messina Relaunch

Foreign Minister of France Antoine Pinay · France · Messina · European Economic Community (EEC)

France joined the six ECSC states in relaunching European integration at the Messina conference.

1955 1st June

Messina Conference

Foreign Minister of Italy Gaetano Martino · Italy · Messina · European Economic Community (EEC)

Hosts the foreign ministers of the Six as the Messina Conference opens a new phase of European economic integration.

1955 3rd June

Messina Resolution

Foreign Minister of Italy Gaetano Martino · Italy · Messina · European Economic Community (EEC)

Supports the Messina decisions to pursue a common market and a European atomic-energy community.

1955 October

Action Committee for Europe

European integration campaigner Jean Omer Marie Gabriel Monnet · France · Paris · European Economic Community (EEC)

Monnet founded the Action Committee for the United States of Europe to mobilise political support for deeper integration.

1956
1956 April

Spaak Report Negotiations

Foreign Minister of France Christian Pineau · France · Brussels · European Economic Community (EEC)

Pineau represented France as negotiations moved from the Spaak Report toward treaties for a common market and atomic-energy community.

1956 29th May

Venice Conference

Foreign Minister of France Christian Pineau · France · Venice · European Economic Community (EEC)

Pineau took part in ministerial talks that advanced negotiations for the European Economic Community and Euratom.

1956 29th May

Venice Conference

Foreign Minister of Italy Gaetano Martino · Italy · Venice · European Economic Community (EEC)

Represents Italy as the Six approve the Spaak Report as the basis for treaty negotiations.

1956 30th May

Government Report

Paul Henri-Charles Spaak · Belgium · Venice · European Economic Community (EEC)

The Spaak report is accepted at the Venice Conference where the decision is taken to organise an InterGovernmental Conference. The InterGovernmental Conference on the Common Market and Euratom focused on economic unity, leading to the Treaties of Rome being signed in 1957 which established the European Economic Community (EEC) and the European Atomic Energy Community (Euratom) among the members

1956 30th May

Spaak Report

Paul Henri-Charles Spaak · Belgium · Venice · European Economic Community (EEC)

The Spaak report is accepted at the Venice Conference where the decision is taken to organise an InterGovernmental Conference. The InterGovernmental Conference on the Common Market and Euratom focused on economic unity, leading to the Treaties of Rome being signed in 1957 which established the European Economic Community (EEC) and the European Atomic Energy Community (Euratom) among the members

1956 30th May

Venice Conference

Prime Minister of Italy Antonio Segni · Italy · Venice · European Economic Community (EEC)

Heads the Italian government as Venice launches the intergovernmental work that produces the Rome Treaties.

1956

Conference of Messina

Paul Henri-Charles Spaak · Belgium · Messina · European Economic Community (EEC)

The Messina Conference establishes the Spaak Committee which produced the Spaak report

1956

Government Report

Paul Henri-Charles Spaak · Belgium · Messina · European Economic Community (EEC)

The Messina Conference establishes the Spaak Committee which produced the Spaak report

1956

InterGovernmental Conference

Paul Henri-Charles Spaak · Belgium · Venice · European Economic Community (EEC)

The InterGovernmental Conference on the Common Market and Euratom focused on economic unity, leading to the Treaties of Rome being signed in 1957 which established the European Economic Community (EEC) and the European Atomic Energy Community (Euratom) among the members

1956

Spaak Report

Paul Henri-Charles Spaak · Belgium · Messina · European Economic Community (EEC)

The Messina Conference establishes the Spaak Committee which produced the Spaak report

1956

Common Market Negotiations

Secretary of State for Foreign Affairs Maurice Faure · France · Brussels · European Economic Community (EEC)

Faure played a leading French role in negotiations that produced the Treaties of Rome.

Editorial provenance

Sources and editorial review

Compiled and edited by World History Database.

Historical context is editorial material; the chronology is generated from World History Database EEC records.

Last reviewed: September 2026.

European Union history · EU founding agreements · EUR-Lex

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