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),
European institutions in Strasbourg freedom, security and justice (eu-LISA) has his operational HQ in Strasbourg. Finally, Strasbourg also hosts the association Apollonia (created in 1998), which defines itself as "a platform of cooperation in the area of the visual arts between European countries and, more specifically, with the countries of Central and Eastern Europe, the Balkans, the countries along the Baltic Sea and in the South Caucasus." The association was created on the basis of work conducted since 1994 by the Council of Europe within the framework of the Program of European Artistic Exchanges. Twenty institutions have their sole, or one of their main,