January – March edit

April – June edit

• 9 May – Princess Elisabeth marries Franz, Duke of Hohenberg.^[2]
• 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 edit

• 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 edit

• 29 September - Entry into service of the electrified railway lines between Luxembourg City and Thionville, and Luxembourg City and Arlon.^[3]
• 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.

• 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

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

• Thewes, Guy (2006). Les gouvernements du Grand-Duché de Luxembourg depuis 1848 (PDF) (in French) (2006 ed.). Luxembourg City: Service Information et Presse. ISBN 978-2-87999-156-6. Retrieved 12 December 2009.