Strasbourg been populated since the middle Paleolithic. Between 362 and 1262, Strasbourg was governed by the bishops of Strasbourg; their rule was reinforced in 873 and then more in 982. In 1262, the citizens violently rebelled against the bishop's rule (Battle of Hausbergen) and Strasbourg became a free imperial city. It became a French city in 1681, after the conquest of Alsace by the armies of Louis XIV. In 1871, after the Franco-Prussian War, the city became German again, until 1918 (end of World War I), when it reverted to France. After the defeat of France in 1940 (World War II),
Seat of the European Parliament in Strasbourg within the building. This was not the first such incident as bacteria causing Legionnaires has been discovered in the water system of the complex after a number of officials reported in ill. The bacteria had been allowed to develop due to the Strasbourg complex being used only four months of the year. The Pierre Pflimlin building (IPE 3), a heart-shaped, comparatively low building built on behalf of the SERS at the crossing of Avenue du Président Robert Schuman and Allée Spach, inaugurated in 1991 as a press and media center ("Centre de presse et d'information") at a cost of 38