Life and profession
After 1920 Arnold worked full-time basis for the Christian trade union movement. He became Secretary of the Düsseldorf District of the Christian trade union in 1924.
In 1928 Arnold married Arnold Liesl Joeres. Their son Gottfried was born in 1933 and was a member of the German Bundestag between 1961 and 1983.
Arnold was partner in a business in Düsseldorf in 1933. During the Third Reich the Gestapo watched and followed him. He was arrested after Count von Stauffenberg tried to assassinate (murder) Hitler on 20 July 1944.
Arnold helped to found the industrial unions, today's DGB, with Hans Böckler in the Rhineland in 1945.
He got permission from the American Army to publish the Rheinische Post (Rhenish Post) daily newspaper. His family still own part of the paper today.
Karl Arnold was buried in Düsseldorf's South Cemetery.
Arnold joined the Centre party in 1920.
After the World War II Arnold founded the of Düsseldorf Christian democratic party in 1945. Later this became a part of CDU. Arnold was the CDU's deputy federal chairman from 1956 until his death.
1925 to 1933 he was a member of the city council of Düsseldorf and acting chairman the of the Centre Party group.
He was a member of the Landtag of North Rhine-Westphalia from 1946 until his death. Between 1947 and 1949 he was also a member of the parliament of the Bizone (which was the British and American occupation zones).
In 1957 Arnold was elected to the Bundestag with 72.6% of the votes in the Gelsenkirchen-Erkelenz Jülich constituency . He was deputy chairman of the CDU/CSU parliamentary group.
On 29 January 1946 Arnold was appointed mayor of Düsseldorf by the American Military Government. He was elected mayor in the first free elections on 26 October 1946.
From December 1946 until 1956 he was Minister President of North Rhine Westphalia.
Arnold lost a constructive vote of 'no confidence' on 20 February 1956. His successor (person who followed) as Minister President was Fritz Steinhoff.
Arnold died one week before the next state elections, in 1958. He was only 57 years old.
|40x40px||Wikimedia Commons has media related to Karl Arnold (politician).|