La série « Jalons de l’histoire européenne/Milestones in European History » présente – par le biais des archives multilingues et multimédia (documents, photos, caricatures, extraits audiovisuels, etc.) – des événements significatifs, des dates-clé et des personnalités marquantes de l’histoire du Luxembourg et de l’Europe.
- First meeting of the Thorn Commission – 06 January 1981
- Signature of the Single European Act – 17 February 1986
- European Council in Copenhagen, Denmark – 7-8 April 1978
- First European Council held under the Luxembourg Presidency (Gaston Thorn, Prime Minister ofLuxembourg) – 01-02 April 1976
- European Summit of Paris – 09-10 December 1974
- Death of Charles de Gaulle, former President of the French Republic – 9 November 1970
- The Commission of the European Communities (CEC) took office under the presidency of Franco Maria Malfatti in Brussels – 1 July 1970
- Signature of the Treaty of Luxembourg – 20 April 1970
- First meeting of the Single Commission under the Presidency of Jean Rey – 6 July 1967
- Celebration of the tenth anniversary of the treaties of Rome – 29 May 1967
- Death of Konrad Adenauer, former German Federal Chancellor – 19 April 1967
- Luxembourg compromise – End of the French « empty chair » policy – 28 January 1966 & 2021 post on the Luxembourg Compromise
- Signing of the Treaty on the fusion of the executive bodies of the three European Communities – 8 April 1965
- Signing of the Yaoundé Convention – 20 July 1963
- High-level summit of the Six in Bonn, Germany – 18 July 1961
- Handing over of UK formal application for membership of the European Economic Community (EEC) – 10 August 1961
- The first Commission of the European Economic Community, the Hallstein I Commission, takes office – 16 January 1958
- Signature of the Treaty of Rome – 25 March 1957
- Signature of the European Monetary Agreement – 5 August 1955
- Messina conference – 1-2 June 1955
- Signature of the Saar Agreement – 23 October 1954
- Launch of the Schuman Plan, taking office and first meeting of the High Authority of the ECSC – 10 August 1952
- Signature of the Treaty of Paris – 18 April 1951
- The Schuman Declaration – 9 May 1950
- Signing of the Statute of the Council of Europe in London – 05 May 1949
- Congress of the European Movement in The Hague – 07-10 May 1948
- Speech by Winston Churchill, former British Prime Minister, about the European tragedy, in Zurich – 19 September 1946
- Luxembourg compromise – End of the French « empty chair » policy – 28 January 1966
- Messina Conference – 1-2 June 1955
- Signature of the Saar Agreement – 23 October 1954
- Signature of the Treaty of Paris – 18 April 1951
- The Schuman Declaration – 9 May 1950
- Signing of the Statute of the Council of Europe in London – 5 May 1949
- Congress of the European Movement in The Hague – 7-10 May 1948
- Speech by Winston Churchill, former British Prime Minister, about the European tragedy, in Zurich – 19 September 1946
- Luxembourg compromise – End of the French « empty chair » policy – 28 January 1966