Portugal Joins European Community
Portugal becomes the 12th member of the EU
European integration · permanent subject timeline
Portugal's role in EEC and later European Union politics. This page combines historical context with 31 matching records drawn directly from the World History Database EEC archive.
Historical context
The archive groups records associated with Portugal, following national leaders, treaty negotiations, European Councils, enlargement, monetary policy and other stages of European integration.
Portugal's records show how European integration was shaped through national governments as well as common institutions, and how domestic politics interacted with Community and Union decisions.
World History Database records
The records below are selected from the 936-record EEC and European integration archive and rendered as static HTML in chronological order.
Portugal Joins European Community
Portugal becomes the 12th member of the EU
Treaty of Maastricht
Leads Portugal at Luxembourg while the Twelve review treaty work on political and monetary union.
Treaty of Maastricht
Represents Portugal's economic concerns as the Luxembourg summit reviews EMU negotiations.
Treaty of Maastricht
Presents Portugal's position on political union as the European Council meets in Luxembourg.
Maastricht European Council
Represents Portugal in the European Council treaty negotiations.
Portuguese Treaty Agreement
Supports cohesion measures and deeper European political cooperation.
Treaty of Maastricht
Leads Portugal at Maastricht as the Twelve seek to close the remaining treaty disputes.
Treaty of Maastricht
Braga de Macedo completes Portugal's treaty delegation by signing the Maastricht settlement as Finance Minister.
Treaty of Maastricht
Pinheiro signs at Maastricht on Portugal's behalf, endorsing the new Union treaty as Foreign Minister.
Treaty of Maastricht
Takes part in the Edinburgh summit as Portugal backs a solution to the Danish Maastricht impasse.
Treaty of Maastricht
Supports Portugal's acceptance of the Edinburgh arrangements as a route toward treaty ratification.
Treaty of Maastricht
Heads Portugal when it completes formal notification of ratification to the treaty depositary.
Treaty of Maastricht
Leads Portugal when the Maastricht Treaty enters into force and the European Union begins.
Treaty of Lisbon
At the European Council meeting on 18 and 19 October 2007 in Lisbon, a few last-minute concessions were made to ensure the signing of the Treaty
Charter of Fundamental Rights
The Treaty of Lisbon makes the Union's bill of rights, the Charter of Fundamental Rights, legally binding
Reform Treaty
At the meeting of the European Council Portugal insists that the Treaty (the Reform Treaty) be signed in Lisbon
Reform Treaty
This record states: Prominent changes included the move from unanimity to qualified majority voting in at least 45 policy areas in the Council of Minister's, a change in calculating such a majority to a new double majority.
Reform Treaty
This record states: a more powerful European Parliament forming a bicameral legislature alongside the Council of Minister's under the ordinary legislative procedure, a consolidated legal personality for the EU and.
Reform Treaty
This record states: the creation of a long-term President of the European Council and a High Representative of the Union for Foreign Affairs and Security Policy.
Reform Treaty
At the meeting of the European Council in October 2007, Portugal insisted that the Treaty (then called the 'Reform Treaty') be signed in Lisbon, the Portuguese capital. This request was granted, and the Treaty was thus to be called the Treaty of Lisbon, in line with the tradition of European Union treaties. The Portuguese presidency was appointed to the job of organising the programme for a signing ceremony
Treaty of Lisbon
At the meeting of the European Council Portugal insists that the Treaty (the Reform Treaty) be signed in Lisbon
Treaty of Lisbon
At the meeting of the European Council in October 2007, Portugal insisted that the Treaty (then called the 'Reform Treaty') be signed in Lisbon, the Portuguese capital. This request was granted, and the Treaty was thus to be called the Treaty of Lisbon, in line with the tradition of European Union treaties. The Portuguese presidency was appointed to the job of organising the programme for a signing ceremony
Treaty of Lisbon
The October European Council, led by Jose Socrates consists of legal experts from all member states scrutinising the final drafts of the Treaty
Treaty of Lisbon
The Treaty of Lisbon makes the Union's bill of rights, the Charter of Fundamental Rights, legally binding
Treaty of Lisbon
The stated aim of the treaty was to "complete the process started by the Treaty of Amsterdam [1997] and by the Treaty of Nice [2001] with a view to enhancing the efficiency and democratic legitimacy of the Union and to improving the coherence of it's action"
Treaty of Lisbon
Representatives from the 27 EU member states were present, and signed the Treaty as plenipotentiaries, marking the end of Treaty negotiations.
Treaty of Lisbon
The signing of the Treaty of Lisbon took place in Lisbon, Portugal on 13 December 2007. The Government of Portugal, by virtue of holding Presidency of the Council of the European Union at the time, arranged a ceremony inside the 15th century Jerónimos Monastery, the same place Portugal's treaty of accession to the European Union (EU) was signed in 1985
Treaty of Lisbon
The signing of the Treaty of Lisbon, the Government of Portugal, by virtue of holding Presidency of the Council of the European Union at the time.
Treaty of Lisbon
arranges a ceremony inside the 15th century Jeronimos Monastery, the same place Portugals Treaty of accession to the European Union (EU) was signed in 1985.
Treaty of Lisbon
The European Parliament approves the Treaty by 525 votes in favour and 115 against
Treaty of Lisbon
The Treaty of Lisbon comes into effect
Editorial provenance
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.
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