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
History of Strasbourg its flourishing economy attracted many Germans. This could explain the difference between the rural vote and the one in Strasbourg. After the war, many Germans left Strasbourg and returned to Germany; some of them were denounced by the locals or expelled by the newly appointed authorities. The Saverne Affair remains vivid in the memory of many Alsatians. In 1920, Strasbourg became the seat of the Central Commission for Navigation on the Rhine, previously located in Mannheim, one of the oldest European institutions. It moved into the former Imperial Palace. When the Maginot Line was built, the "Sous-secteur fortifié de Strasbourg"