Christian Democratic Union of Germany The SPD quickly gained popularity and succeeded in forming a social-liberal coalition with the FDP following the 1969 federal election, forcing the CDU out of power for the first time in their history. The CDU continued its role as opposition until 1982, when the FDP's withdrawal from the coalition with the SPD allowed the CDU to regain power. CDU Chairman Helmut Kohl became the new Chancellor of West Germany and his CDU–FDP coalition was confirmed in the 1983 federal election. Public support for the coalition's work in the process of German reunification was reiterated in the 1990 federal election in
Chancellor of Germany (1949–present) German chancellor until the end of the Holy Roman Empire in 1806 while the Archbishop of Cologne was Chancellor of Italy and the Archbishop of Trier of Burgundy. These three Archbishops were also Prince-electors of the empire. Already in medieval times the chancellor had political power like Willigis of Mainz (Archchancellor 975–1011, regent for Otto III 991–994) or Rainald von Dassel (chancellor 1156–1162 and 1166–1167) under Frederick I. The modern office of chancellor was established with the North German Confederation, of which Otto von Bismarck became chancellor of the Confederation (official German title: "Bundeskanzler") in 1867. After unification of Germany