e oldest European institutions. It moved into the former Imperial Palace.
When the Maginot Line was built, the Sous-secteur fortifié de Strasbourg (fortified sub-sector of Strasbourg) was laid out on the city's territory as a part of the Secteur fortifié du Bas-Rhin, one of the sections of the Line. Blockhouses and casemates were built along the Grand Canal d'Alsace and the Rhine in the Robertsau forest and the port.
Between the German invasion of Poland on 1 September 1939 and the Anglo-French declaration of War against the German Reich on 3 September 1939, the entire city (a total of 120 000 people) was evacuated, like other border towns as well. Until the arrival of the Wehrmacht troops mid-June 1940, the city was, for ten months, completely empty, with the exception of the garrisoned soldiers. The Jews of Strasbourg had been evacuated to Périgueuxand Limoges, the University had been evacuated to Clermont-Ferrand.
After the ceasefire following the Fall of France in June 1940, Alsace was annexed to Germany and a rigorous policy of Germanization was imposed upon it by the Gauleiter Robert Heinrich Wagner. When, in July 1940, the first evacuees were allowed to return, only residents of Alsatian origin were admitted. The last Jews were expelled on 15 July 1940 and the main synagogue, a huge Romanesque revival building that had been a major architectural landmark with its 54-metre-high dome since its completion in 1897, was set ablaze, then razed. From 1943 the city was bombarded by Allied aircraft. While the First World War had not notably damaged the city, Anglo-American bombing caused extensive destruction in raids of which at least one was allegedly carried out by mistake. In August 1944, several buildings in the Old Town were damaged by bombs, particularly the Palais Rohan, the Old Customs House (Ancienne Douane) and the Cathedral. On 23 November 1944, the city was officially liberated by the 2nd French Armored Division under General
