1956 in Luxembourg

The following lists events that happened during 1956 in the Grand Duchy of Luxembourg.

April – June

 * 9 May – Princess Elisabeth marries Franz, Duke of Hohenberg.
 * 24 May – Representing Luxembourg, Michèle Arnaud appears in the Eurovision Song Contest 1958 with the song Ne crois pas. No rankings are stated except the winner: Lys Assia of Switzerland.
 * 10 June – Charly Gaul wins the 1956 Giro d'Italia.

July – September

 * 27 July - The Constitution of Luxembourg is amended to make the terms of all members of the Chamber of Deputies expire on the first Sunday of June 1959. As a result, all members would be elected at the same time, rather than in partial elections.

October – December

 * 29 September - Entry into service of the electrified railway lines between Luxembourg City and Thionville, and Luxembourg City and Arlon.
 * 25 October - The Constitution of Luxembourg is amended in two places to allow for the delegation of constitutional powers to international organisations, in preparation for the creation of the European Economic Community.
 * 27 October - The Saar Treaty is signed in Luxembourg, allowing for the transfer of the Saarland to West Germany.

Births

 * 22 March – Maria Teresa, Grand Duchess of Luxembourg
 * 11 May - Claude Lenners, composer
 * 13 August – Gast Waltzing, musician
 * 5 September – Marianne Majerus, photographer
 * 13 September – Lucien Lux, politician
 * 16 October – François Bausch, politician
 * 17 November – Gaston Reinig, soldier and Chief of Defence

Deaths

 * 13 March – Albert Simon, illustrator
 * 21 October – Joseph Laurent Philippe, bishop