Trondheim 44,600), and Tiller (population: 3,595) were all merged with the city of Trondheim (population: 56,982), which nearly doubled the population of the municipality. A transfer of Klæbu (population: 6,050) to Trondheim is planned for 1 January 2020. The coat-of-arms dates back to the 13th century. To the left, there is an archbishop with his staff and mitre in a church archway. On the right, a crowned king holding scales in a castle archway. These two pictures rest on a base which forms an arch. Underneath that arch, are three male heads which symbolise the city's rank as Norway's first capital
Trondheim was intended to become the primary future stronghold of the German Kriegsmarine. Today, there are few physical remains of this enormous construction project. The city of Trondheim was established on 1 January 1838 (see formannskapsdistrikt). On 1 January 1864, part of Strinda (population: 1,229) was amalgamated with Trondheim. Then, on 1 January 1893, another part of Strinda (population: 4,097) was transferred to Trondheim. On 1 January 1952, the Lade 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: