Presentation of the economic upswing in the GDR, emphasizing the discovery of the process for the production of high-temperature lignite coke and the commissioning of the Lauchhammer large-scale coking plant.
1944
1991
2017
1949
2005
1978
1937
2000
2015
1921
1994
1963
1960
2012
2024
2001
2019