History of Germany (1945–90) on 13 February 1990. The six foreign ministers met four times in the ensuing months in Bonn (5 May), Berlin (22 June), Paris (17 July), and Moscow (12 September). The Polish Foreign Minister participated in the part of the Paris meeting that dealt with the Polish-German borders. Overcoming Soviet objections to a united Germany's membership in NATO was of key importance. This was accomplished in July when the alliance, led by President George H.W. Bush, issued the London Declaration on a transformed NATO. On 16 July, President Gorbachev and Chancellor Kohl announced the agreement in principle on a united Germany
Chancellor of Germany (1949–present) raised in the former East Germany. The office of chancellor has a long history, stemming back to the Holy Roman Empire. The title was at times used in several states of German-speaking Europe. The power and influence of this office varied strongly over time. Otto von Bismarck in particular had a great amount of power, but it was not until 1949 that the chancellor was established as the central executive authority of Germany. Due to his administrative tasks, the head of the chapel of the imperial palace during the Holy Roman Empire was called "chancellor". The Archbishop of Mainz was