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
Chancellor of Germany (1949–present) in 1871, the office became known in German as "Reichskanzler" ("Reich Chancellor", literally "Chancellor of the Realm"). Since the adoption of the current constitution of Germany (the "Basic Law" or "Grundgesetz") in 1949 the formal title of the office is once again Bundeskanzler (Federal Chancellor). In the now defunct German Democratic Republic (GDR, East Germany), which existed from 7 October 1949 to 3 October 1990 (when the territory of the former GDR was reunified with the Federal Republic of Germany), the position of chancellor did not exist. The equivalent position was called either Minister President "(Ministerpräsident)" or Chairman of the