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Treaty of Rome, 1957

The treaty that established the European Economic Community. This page combines historical context with 8 matching records drawn directly from the World History Database EEC archive.

8 matching archive records 1957–1968 record span Open full 936-record archive
Treaty of Rome, 1957 historical image

Historical context

Treaty of Rome, 1957: overview and significance

What happened?

Belgium, France, West Germany, Italy, Luxembourg and the Netherlands signed the EEC Treaty in Rome on 25 March 1957. It entered into force on 1 January 1958 and established the European Economic Community.

Why was it important?

The treaty created a framework for a common market, customs union and shared institutions. It became the constitutional foundation for decades of European economic integration.

World History Database records

Treaty of Rome, 1957 timeline

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

1957
1957 25th March

Treaty of Rome Signature

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

Pineau signed the Treaty establishing the European Economic Community on behalf of France.

1957 25th March

Treaty of Rome Signature

Chancellor of Germany Konrad Adenauer · Germany · Rome · European Economic Community (EEC)

Signs the Treaty of Rome for the Federal Republic of Germany and commits Germany to the new European Economic Community.

1957 25th March

Treaty of Rome Signature

State Secretary Walter Hallstein · Germany · Rome · European Economic Community (EEC)

Signs the Treaty of Rome alongside Adenauer after helping shape Germany's negotiating position on European integration.

1957 25th March

Treaty of Rome

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

Signs the Treaty establishing the European Economic Community alongside Prime Minister Antonio Segni.

1957 25th March

Treaty of Rome

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

Signs the Treaty establishing the European Economic Community for Italy.

1958
1958 1st January

EEC Treaty Enters into Force

Chancellor of Germany Konrad Adenauer · Germany · Bonn · European Economic Community (EEC)

Heads the Federal German government when the Treaty of Rome enters into force and the EEC begins operating.

1958 1st January

EEC Treaty Enters into Force

Prime Minister of Italy Adone Zoli · Italy · Rome · European Economic Community (EEC)

Heads the Italian government when the Treaty of Rome enters into force and the EEC begins operating.

1968
1968 1st July

EEC Customs Union Completed

Chancellor of Germany Kurt Georg Kiesinger · Germany · Bonn · European Economic Community (EEC)

Heads the German government when the EEC customs union is completed ahead of the original Treaty of Rome timetable.

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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