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.
1932
1985
1989
1997
1897
2014
1964
2024
1974
1992
2021
1959
2025
2008
1900
2016
1993
2020
1971