1 January – The communes of Asselborn, Boevange, Hachiville, and Oberwampach are merged to form the new commune of Wincrange.
12 April – Louis Pilot is appointed the Luxembourg national football team's new coach.
22 April – Representing Luxembourg, Baccara finishes seventh in the Eurovision Song Contest 1978 with the song Parlez-vous français?.
11 June – Belgium's Ludo Peeters wins the 1978 Tour de Luxembourg.
1 October – Roger Maul is appointed President of the Council of State to replace Ferdinand Wirtgen.
15 November – Abortion is legalised.
5 December – Divorce by determined cause is permitted.
23 December – Charles Reiffers is appointed to the Council of State.
General Motors shuts down operations at its factory in Bascharage.
FC Progrès Niedercorn wins the 1977-78 National Division title.
8 May - Patrick Galbats, photographer
3 July – Kim Kirchen, cyclist
9 September – Alvin Jones, basketball player
29 October – Alwin de Prins, swimmer
9 February – Max Goergen, playwright
12 March – Léon Lommel, clergyman
15 March – Arthur Useldinger, politician
29 March – Eugène Schaus, politician
3 November - Edouard Kutter, photographer
1978 in Luxembourg Wikipedia (Text) CC BY-SA
