  | 1917-1933 Lord Mayor of Cologne
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  | 1920-1932, President of the Prussian diet
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  | 1944/45 under Gestapo arrest
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  | 1945 co-founder of the CDU in Cologne
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  | 1946 Chairman of the CDU in the British zone of occupation
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  | 1948/49 Chairman of the Parliamentary Assembly, which develops the Basic Law (constitution) for the Federal Republic of Germany
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  | 1949-1963 first Federal Chancellor of the Federal Republic of Germany
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  | since 1950, Chairman of the Federal CDU |