2003 in Luxembourg
|See also:||Other events of 2003
List of years in Luxembourg
|Prime Minister||Jean-Claude Juncker|
|Deputy Prime Minister||Lydie Polfer|
|President of the Chamber of Deputies||Jean Spautz|
|President of the Council of State
||Marcel Sauber (until 11 March)
Pierre Mores (from 29 April)
|Mayor of Luxembourg City||Paul Helminger|
January – March
- 13 February – Albert Rodesch is appointed to the Council of State, replacing John Castegnaro, who resigned in January.
- 11 March – President of the Council of State Marcel Sauber resigns to take up the vacancy left in the Chamber of Deputies by the death of Willy Bourg on 21 February.
April – June
- 29 April – Lydie Polfer meets with the foreign ministers of Belgium, France, and Germany, who agree a framework for the introduction of the planned Common Foreign and Security Policy.
- 29 April – Pierre Mores is appointed President of the Council of State, replacing Marcel Sauber.
- 20 May – Jean-Claude Juncker delivers his ninth State of the Nation address.
- 28 May – Ady Jung is appointed to the Council of State, replacing Marcel Sauber, who resigned in March.
- 31 May – CS Grevenmacher win the Luxembourg Cup, beating FC Etzella Ettelbruck 1-0 in the final.
- 1 June – Thomas Voeckler wins the 2003 Tour de Luxembourg, with Quick Step-Davitamon picking up the team title.
- 7 June – SES Americom launches its AMC-9 satellite: its first under SES ownership.
July – September
- 24 July – The eastern half of the A13 motorway (the collectrice du Sud), part of E29, is opened between Hellange and Schengen, including a 600-metre viaduct across the border to meet Germany's A8.
- 9 August – The 2003–04 season of the National Division kicks off.
- 12 August – The University of Luxembourg is founded.
- 22 August – Plans to extend France's LGV Est to Luxembourg City are formally approved by Luxembourg.
- 29 August – Skype is released.
October – December
- 10 October – The Luxembourgian Film Prizes are launched. The prize for Best Film is shared between J'ai toujours voulu etre une Sainte and L'homme au cigare.
- 13 October – Lydie Polfer, Dominique de Villepin, and Joschka Fischer inaugurate the Pierre Werner Institute in Luxembourg City.
- November – Edward Steichen's The Family of Man exhibition, at Clervaux, is added to UNESCO's 'Memory of the World' register.
- 11 December – Kim Kirchen is named Luxembourg’s Sportsperson of the Year.
- 10 January – Paul Cerf, journalist
- 12 February – Ernest Arendt, Councillor of State
- 21 February – Willy Bourg, politician
- 20 March – Gordian Troeller, journalist
- 1 April – Marcel Ernzer, cyclist
- 4 July – Georges Margue, jurist and politician
- 9 November – Maurice Thoss, politician
- 23 November – Johny Lahure, politician
- 5 December – Fernand Koenig, singer
- "Membres depuis 1857" (in French). Council of State. Archived from the original on 2009-11-03. Retrieved 2009-04-05.
- "Marcel Sauber wird Deputierter" (in German). Christian Social People's Party. 6 March 2003. Archived from the original on 22 July 2011. Retrieved 2009-04-05.
- "Evolution du réseau autoroutier" (in French). Administration des Ponts et Chaussées. 24 January 2008. Archived from the original on 3 March 2009. Retrieved 29 December 2008.