European Parliament in Luxembourg granted a city the right to host a number bodies, including the Secretariat of the Assembly (now of the Parliament). Despite the 1965 agreement however, the Parliament's seat was a source of contention. Wishing to be closer to the activities in Brussels and Luxembourg, a few plenary sessions were held by the Parliament between 1967 and 1981 in Luxembourg instead of Strasbourg – against the wishes of France and in 1981 it returned to holding sessions entirely in Strasbourg. There are a handful of buildings in Luxembourg used by the Parliament. The city hosts the Secretariat of the European Parliament
European institutions in Strasbourg européen", "Droits de l'homme" and "Robertsau Boecklin" tram stations. The newest Council of Europe buildings were inaugurated in 2006 and 2008, and the newest European Union building was inaugurated in 2017. In all, there are fourteen different buildings in the European Quarter: seven belonging to the Council of Europe, five belonging to the European Union, plus Arte and the IIHR. The first European institution to be based in the city was the Central Commission for Navigation on the Rhine. Set up in 1815 by the Congress of Vienna, it is the oldest international organisation in the world but has only