21 March – Representing Luxembourg, David Alexandre Winter finishes twelfth (and last) in the Eurovision Song Contest 1970 with the song Je Suis Tombé Du Ciel. It is the first and (so far) only occasion on which Luxembourg has scored 'nul points'.
11 November - Alfred Loesch is appointed to the Council of State.[3]
2 December – One of Cargolux's two CL-44's crashes in East Pakistan while conducting a humanitarian airlift, killing four crew members and four villagers.
9 December - Legislation sets the workweek at 40 hours.[4]
^East, Roger; Thomas, Richard J. (3 June 2014). Profiles of People in Power: The World's Government Leaders. Routledge. p. 359. ISBN 978-1-317-63939-8.
^ abcThewes (2006), p. 178
^ abc"Membres depuis 1857" (in French). Council of State. Archived from the original on 2009-11-03. Retrieved 2009-04-05.
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.