West Germany by World War II to become the world's third-largest economy. The first chancellor Konrad Adenauer, who remained in office until 1963, had worked for a full alignment with NATO rather than neutrality. He not only secured a membership in NATO but was also a proponent of agreements that developed into the present-day European Union. When the G6 was established in 1975, there was no question whether the Federal Republic of Germany would be a member as well. Following the collapse of communism in Central and Eastern Europe in 1989, symbolised by the opening of the Berlin Wall, there was a
Chancellor of Germany DDR)". (See Leaders of East Germany.) The head of the federal government of the North German Confederation, which was created on 1 July 1867, had the title "Bundeskanzler". The only person to hold the office was Otto von Bismarck, the prime minister of Prussia. The king, being the bearer of the "Bundespräsidium", installed him on 14 July. Under the constitution of 1 January 1871, the king had additionally the title of Emperor. The constitution still called the chancellor "Bundeskanzler". This was only changed in the new constitution of 16 April 1871 to "Reichskanzler". The office remained the same, and Bismarck