1877
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First cement production in Nienburg
1878
Commissioning cement plant Glöthe
1887
Comissioning cement plant Schwanebeck
1930' years
Some kiln plant were erected around Nienburg
1959
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First cement production in Bernburg
1990
SCHWENK took over the Bernburg cement activities
1992
Bernburg is commissioned as Europe's most modern cement plant