Under the terms of the Potsdam Conference and the Beneš decrees , the city was restored to Czechoslovakia and almost the totality of its previous population expelled as being German . In May 1948 , the Communist government passed a new constitution declaring a people 's republic . Communism continued until the 1989 fall of the Berlin Wall set off a series of events which are now known as the Velvet Revolution . Today , Ústí nad Labem is a major industrial city of the Czech Republic with substantial chemical , metallurgical , textile , food , and machine tool industries
Potsdam Conference
Potsdam Conference
Ústí nad Labem