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 German Empire, the Weimar Republic and Nazi Germany had the equivalent position of ' ("Chancellor of the Reich"), as the head of the executive. Between 1871 and 1918 the Chancellor was appointed by the German Emperor. During the Weimar Republic (1919-1933), the Chancellor was chosen by the ' and stood under his authority. This continued (formally) during the first two years of the Nazi regime until the death of President Paul von Hindenburg in 1934. Between 1934 and 1945 Adolf Hitler, the dictatorial head of state "and" government of Nazi Germany was officially called """" (literally "Leader and Chancellor of