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Treaty of Lisbon

The reform treaty agreed after the failure of the Constitutional Treaty. This page combines historical context with 56 matching records drawn directly from the World History Database EEC archive.

56 matching archive records 1985โ€“2009 record span Open full 936-record archive

Historical context

Treaty of Lisbon: overview and significance

What happened?

The Lisbon Treaty was signed in 2007 after negotiations to replace the failed Constitutional Treaty. It entered into force on 1 December 2009.

Why was it important?

Lisbon reworked EU institutions, decision-making and external representation and remains a central part of the Union's current treaty framework.

World History Database records

Treaty of Lisbon timeline

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

1985
1985 12th June

Iberian Accession Treaties

President of European Commission Jacques Delors ยท France ยท Lisbon ยท European Economic Community (EEC)

Delors welcomed the accession treaties for Spain and Portugal as a major expansion of democratic Europe.

1992
1992 26th June

Lisbon European Council

Prime Minister of Denmark Poul Schluter ยท Denmark ยท Lisbon ยท European Economic Community (EEC)

Represents Denmark as Community leaders discuss the ratification crisis created by the Danish referendum result.

1992 26th June

Lisbon European Council

Prime Minister of Greece Konstantinos Mitsotakis ยท Greece ยท Lisbon ยท European Economic Community (EEC)

Represents Greece as leaders review Maastricht ratification, economic policy and enlargement prospects.

1992 27th June

Post-Referendum European Negotiations

Foreign Minister of Denmark Uffe Ellemann-Jensen ยท Denmark ยท Lisbon ยท European Economic Community (EEC)

Works with other Community governments as Denmark seeks a politically acceptable route toward treaty ratification.

1997
1997 2nd October

Treaty of Amsterdam

Foreign Minister of Greece Theodoros Pangalos ยท Greece ยท Amsterdam ยท European Economic Community (EEC)

Pangalos signs Amsterdam's reform treaty, committing Greece to changes in institutions, employment policy and justice cooperation.

2000
2000 23rd March

Lisbon European Council

Chancellor of Germany Gerhard Schroder ยท Germany ยท Lisbon ยท European Economic Community (EEC)

Represents Germany as leaders launch the Lisbon strategy for employment, economic reform and knowledge-based growth.

2000 23rd March

Lisbon European Council

Prime Minister of Greece Costas Simitis ยท Greece ยท Lisbon ยท European Economic Community (EEC)

Represents Greece as leaders launch the Lisbon strategy for employment, innovation and economic reform.

2000 23rd March

Lisbon European Council

Taoiseach of Ireland Bertie Ahern ยท Ireland ยท Lisbon ยท European Economic Community (EEC)

Represents Ireland as leaders launch the Lisbon strategy for employment, innovation and economic reform.

2000 23rd March

Lisbon European Council

Prime Minister of Italy Massimo D'Alema ยท Italy ยท Lisbon ยท European Economic Community (EEC)

Represents Italy as leaders launch the Lisbon strategy for employment, economic reform and innovation.

2000 24th March

Lisbon Strategy

President of France Jacques Chirac ยท France ยท Lisbon ยท European Economic Community (EEC)

Chirac backed the European strategy for employment, economic reform and a more competitive knowledge-based economy.

2000 24th March

Lisbon Strategy

Foreign Minister of Italy Lamberto Dini ยท Italy ยท Lisbon ยท European Economic Community (EEC)

Supports the programme for making the European economy more competitive and knowledge-based.

2007
2007 21st June

European Council Treaty Mandate

Chancellor of Germany Angela Dorothea Merkel ยท Germany ยท Brussels ยท European Economic Community (EEC)

Leads the European Council under the German Presidency as negotiations begin on a mandate for a new reform treaty.

2007 23rd June

European Council Reform Treaty Mandate

Foreign Minister of Germany Frank-Walter Steinmeier ยท Germany ยท Brussels ยท European Economic Community (EEC)

Supports the compromise mandate that enables an intergovernmental conference to draft the Lisbon reform treaty.

2007 18th October

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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

2007 October

Charter of Fundamental Rights

Jose Socrates ยท Portugal ยท European Economic Community (EEC)

The Treaty of Lisbon makes the Union's bill of rights, the Charter of Fundamental Rights, legally binding

2007 October

Reform Treaty

Jose Socrates ยท Portugal ยท European Economic Community (EEC)

At the meeting of the European Council Portugal insists that the Treaty (the Reform Treaty) be signed in Lisbon

2007 October

Reform Treaty

Jose Socrates ยท Portugal ยท European Economic Community (EEC)

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.

2007 October

Reform Treaty

Jose Socrates ยท Portugal ยท European Economic Community (EEC)

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.

2007 October

Reform Treaty

Jose Socrates ยท Portugal ยท European Economic Community (EEC)

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.

2007 October

Reform Treaty

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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

2007 October

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

At the meeting of the European Council Portugal insists that the Treaty (the Reform Treaty) be signed in Lisbon

2007 October

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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

2007 October

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

The October European Council, led by Jose Socrates consists of legal experts from all member states scrutinising the final drafts of the Treaty

2007 October

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

The Treaty of Lisbon makes the Union's bill of rights, the Charter of Fundamental Rights, legally binding

2007 October

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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"

2007 13th December

Treaty of Lisbon Signature

President of France Nicolas Sarkozy ยท France ยท Lisbon ยท European Economic Community (EEC)

Sarkozy signed the Treaty of Lisbon for France as the European Union sought institutional reform after the failed constitutional treaty.

2007 13th December

Treaty of Lisbon

Chancellor of Germany Angela Dorothea Merkel ยท Germany ยท Lisbon ยท European Economic Community (EEC)

Signs the Treaty of Lisbon for Germany alongside Foreign Minister Frank-Walter Steinmeier.

2007 13th December

Treaty of Lisbon Signature

Foreign Minister of Germany Frank-Walter Steinmeier ยท Germany ยท Lisbon ยท European Economic Community (EEC)

Signs the Treaty of Lisbon for Germany alongside Chancellor Angela Merkel.

2007 13th December

Treaty of Lisbon

Foreign Minister of Greece Dora Bakoyannis ยท Greece ยท Lisbon ยท European Economic Community (EEC)

Bakoyannis signs Lisbon alongside Karamanlis, representing Greek diplomacy at the treaty ceremony.

2007 13th December

Treaty of Lisbon

Prime Minister of Greece Kostas Karamanlis ยท Greece ยท Lisbon ยท European Economic Community (EEC)

Karamanlis adds Greece's signature to the Lisbon reform treaty on behalf of the government.

2007 13th December

Treaty of Lisbon

Taoiseach of Ireland Bertie Ahern ยท Ireland ยท Lisbon ยท European Economic Community (EEC)

Signs the Treaty of Lisbon on behalf of Ireland.

2007 13th December

Treaty of Lisbon

Foreign Minister of Ireland Dermot Ahern ยท Ireland ยท Lisbon ยท European Economic Community (EEC)

Signs the Treaty of Lisbon for Ireland as Minister for Foreign Affairs.

2007 13th December

Treaty of Lisbon

Prime Minister of Italy Romano Prodi ยท Italy ยท Lisbon ยท European Economic Community (EEC)

Signs the Treaty of Lisbon for Italy as President of the Council of Ministers.

2007 13th December

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

Representatives from the 27 EU member states were present, and signed the Treaty as plenipotentiaries, marking the end of Treaty negotiations.

2007 13th December

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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 Jerรณnimos Monastery, the same place Portugal's treaty of accession to the European Union (EU) was signed in 1985

2007 13th December

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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.

2007 13th December

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

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.

2008
2008 20th February

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

The European Parliament approves the Treaty by 525 votes in favour and 115 against

2008 24th April

Bundestag Lisbon Approval

Chancellor of Germany Angela Dorothea Merkel ยท Germany ยท Berlin ยท European Economic Community (EEC)

Heads the government as the Bundestag approves legislation accompanying German ratification of the Lisbon Treaty.

2008 12th June

Lisbon Treaty Referendum

Taoiseach of Ireland Brian Cowen ยท Ireland ยท Ireland ยท European Economic Community (EEC)

Acknowledges the rejection of the Lisbon Treaty, with 53.4 percent of voters opposing ratification.

2008 13th June

Lisbon Referendum Response

Foreign Minister of Ireland Micheal Martin ยท Ireland ยท Dublin ยท European Economic Community (EEC)

Begins consultations with European partners after Ireland's rejection of the Lisbon Treaty.

2008 2nd August

Lisbon Treaty Ratification Law

Prime Minister of Italy Silvio Berlusconi ยท Italy ยท Rome ยท European Economic Community (EEC)

Heads the government when Italy enacts the law ratifying the Treaty of Lisbon.

2008 12th December

European Council Lisbon Guarantees

Taoiseach of Ireland Brian Cowen ยท Ireland ยท Brussels ยท European Economic Community (EEC)

Seeks assurances addressing Irish concerns over taxation, neutrality, ethical issues and retention of a national Commissioner.

2009
2009 19th June

Legal Guarantees for Lisbon

Taoiseach of Ireland Brian Cowen ยท Ireland ยท Brussels ยท European Economic Community (EEC)

Secures European Council guarantees intended to clarify Ireland's position before a second Lisbon referendum.

2009 19th June

Lisbon Treaty Guarantees

Foreign Minister of Ireland Micheal Martin ยท Ireland ยท Brussels ยท European Economic Community (EEC)

Supports the legal and political assurances designed to address concerns raised in the first referendum.

2009 30th June

Federal Constitutional Court Lisbon Judgment

Chancellor of Germany Angela Dorothea Merkel ยท Germany ยท Karlsruhe ยท European Economic Community (EEC)

Welcomes a judgment allowing Lisbon ratification once German legislation strengthens parliamentary participation in European affairs.

2009 25th September

German Lisbon Ratification Deposit

Foreign Minister of Germany Frank-Walter Steinmeier ยท Germany ยท Rome ยท European Economic Community (EEC)

Germany deposits its instrument of ratification for the Treaty of Lisbon with the Italian government.

2009 2nd October

Lisbon Referendum Approval

Foreign Minister of Ireland Micheal Martin ยท Ireland ยท Ireland ยท European Economic Community (EEC)

Receives public approval to complete Ireland's Lisbon Treaty ratification process.

2009 2nd October

Second Lisbon Treaty Referendum

Taoiseach of Ireland Brian Cowen ยท Ireland ยท Ireland ยท European Economic Community (EEC)

Cowen welcomes a 67.1 percent yes vote, clearing the constitutional obstacle to Irish Lisbon ratification.

2009 1st December

Lisbon Treaty Enters Force

President of France Nicolas Sarkozy ยท France ยท Paris ยท European Economic Community (EEC)

Sarkozy welcomed the entry into force of the Lisbon Treaty and its institutional reforms.

2009 1st December

Treaty of Lisbon Enters into Force

Chancellor of Germany Angela Dorothea Merkel ยท Germany ยท Berlin ยท European Economic Community (EEC)

Heads the German government when the Treaty of Lisbon enters into force across the European Union.

2009 1st December

Treaty of Lisbon Enters into Force

Prime Minister of Greece George Papandreou ยท Greece ยท Athens ยท European Economic Community (EEC)

Lisbon's institutional reforms become binding across the Union while Papandreou serves as Greek prime minister.

2009 1st December

Lisbon Institutional Reforms Take Effect

Foreign Minister of Ireland Micheal Martin ยท Ireland ยท Dublin ยท European Economic Community (EEC)

Serves as Foreign Minister as the Lisbon Treaty reforms become legally effective.

2009 1st December

Treaty of Lisbon Enters into Force

Taoiseach of Ireland Brian Cowen ยท Ireland ยท Dublin ยท European Economic Community (EEC)

Lisbon's institutional reforms become binding across the Union while Cowen serves as Taoiseach.

2009 1st December

Treaty of Lisbon Enters into Force

Prime Minister of Italy Silvio Berlusconi ยท Italy ยท Rome ยท European Economic Community (EEC)

Lisbon reforms take effect under Berlusconi, changing EU institutions, voting procedures and external representation.

2009 1st December

Treaty of Lisbon

Jose Socrates ยท Portugal ยท Lisbon ยท European Economic Community (EEC)

The Treaty of Lisbon comes into effect

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.

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