The exhibition on the ground floor describes the fate of the Luxembourg people from the German invasion on 10 May 1940, the beginning of the Nazi regime, until the liberation in September 1944 with the arrival of the Americans or in January 1945 after the Battle of the Bulge.
Works of art include the reliefs by Emile Hulten and Claus Cito outside the museum to sculptures by Lucien Wercollier and René Weyland inside.