Institutional seats of the European Union the ECSC (or be generously compensated); France supported Strasbourg, and Italy continued to promote Milan. However, it was decided that the Common Assembly, which became the Parliament, should instead be based in Strasbourg—the Council of Europe (CoE) was already based there, in the House of Europe. The chamber of the CoE's Parliamentary Assembly could also serve the Common Assembly, and they did so until 1999, when a new complex of buildings was built across the river from the Palace. The creation in 1957 of the European Economic Community (EEC) and the European Atomic Energy Community (EAEC or Euratom) created new
Seat of the European Parliament in Strasbourg on 1 September was moved to the Brussels hemicycle. Parliament was expected to move back to Strasbourg for the session starting on 22 September but had to remain in Brussels for that session as well as safety inspections dragged on. The event was greeted with joy by those who oppose the Parliament's presence in Strasbourg, and mocked by eurosceptics who wore hard hats to the first plenary in Brussels after the incident (if Parliament had been sitting at the time, the collapsing ceiling would have hit members of the eurosceptic parties). In August 2012, the Paul-Henri Spaak building in Brussels