Nidaros was a Norwegian newspaper, published in Trondheim in Sør-Trøndelag. Nidaros was started on 1 May 1902. Its first editor was former Dagsposten editor Håkon Løken, and with its Liberal Party affiliation Nidaros became the largest newspaper in Trondheim, with a circulation of 20–30,000. Among the political disputes of the time were electrification of the city's tramway system, establishment of a technical institution in Trondheim, the Norwegian Institute of Technology, and the eventual Dissolution of the union between Norway and Sweden. Løken left in 1909. From 1910 to 1911 Atle Øgaard was editor, and Kr. Aug. Retvedt took over from 1911 to 1917. Hjørvard Torsvik edited the newspaper from 1917 to 1930. Olav Røgeberg was chief editor from 1930 to 1937, and Fr. Lützow Holm edited Nidaro