West Germany alignment and affiliation to Western alliances like NATO and the European Union. The official German reunification ceremony on 3 October 1990 was held at the building, including Chancellor Helmut Kohl, President Richard von Weizsäcker, former Chancellor Willy Brandt and many others. One day later, the parliament of the united Germany would assemble in an act of symbolism in the Reichstag building. However, at that time, the role of Berlin had not yet been decided upon. Only after a fierce debate, considered by many as one of the most memorable sessions of parliament, the concluded on 20 June 1991, with quite
Mathematics in Nazi Germany would begin with a Nazi salute, a practice that Erich Hecke declined to implement in his classroom. Even before Hitler's rise to power, some mathematicians had already emigrated to the United States for various reasons. John von Neumann had taken a position at the California Institute of Technology in 1929 because he felt anti-semitism in Germany was effecting his career. By 1933, von Neumann had a position at Princeton; though he had maintained ties with Germany until then, he canceled his scheduled lectures in Berlin after Hitler became Chancellor. Other early emigrants from Germany included Theodor Estermann, Hans Freudenthal, Eberhard