property rights, in order to stop the next fire. At the time, the city had a population of roughly 8000 inhabitants. After theTreaty of Roskilde on 26 February 1658, Trondheim and the rest of Tr�ndelag, became Swedish territory for a brief period, but the area was reconquered after 10 months. The conflict was finally settled by the Treaty of Copenhagen on 27 May 1660.
During World War II, Trondheim was occupied by Nazi Germany from 9 April 1940, the first day of the invasion of Norway, until the end of the war in Europe, 8 May 1945. The home of the most notorious Norwegian Gestapo agent, Henry Rinnan, it was also subject to harsh treatment by the occupying powers, including imposition of martial law in October 1942. During this time the Germans turned the city and its environs into a major base for submarines (DORA 1), and also contemplated a scheme to build a new city for 300,000 inhabitants, Nordstern ("Northern Star"), centred 15 km (10 mi) southwest of Trondheim, near the wetlands of �ysand in the outskirts of Melhus municipality. This new metropolis was to be accompanied by a massively expanded version of the already existing naval base, which was intended to become the primary future stronghold of the German Kriegsmarine. Today there are few physical remains of this enormous construction project.
Municipal history
The city of Trondheim was established on 1 January 1838 (see formannskapsdistrikt). On 1 January 1864, part of Strinda (population: 1,229) was transferred to Trondheim. Then on 1 January 1893, another part of Strinda (population: 4,097) was transferred to Trondheim. On 1 January 1952, theLade area of Strinda (population: 2,230) was transferred to Trondheim. On 1 January 1964, a major municipal merger took place: the neighbouring municipalities of Leinstrand (population: 4,193), Byneset (population: 2,049), Strinda (population: 44,600), and Tiller (population: 3,595) were all merged with the city of Trondheim (population:
