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
Legal status of Germany presence was also maintained until the full implementation, in 1994, of the Two Plus Four Treaty, signed in 1990. Under the terms of the 1990 Treaty on the Final Settlement with Respect to Germany, the Four Powers renounced all rights they formerly held in Germany, including Berlin. As a result, Germany became fully sovereign on March 15, 1991. After Germany joined the United Nations, there had been disagreement as to whether articles 53 and 107 of the UN Charter, which named Germany as an "enemy state", still applied, but these articles became irrelevant when the Four Powers renounced their special