Mannesmann controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2004
Mannesmann takeover-payments trial
The circumstances of the Vodafone takeover and substantial payments to senior managers and supervisory-board figures resulted in criminal proceedings in Düsseldorf involving figures including Klaus Esser and Josef Ackermann.
1940
Use of forced labor during the Second World War
Forced labor was used at Mannesmann tube-rolling mills during the Second World War. Wilhelm Zangen, the company chairman during the Nazi period, was later imprisoned for four months for his involvement.