Arne Bergsgård was a Norwegian historian, born in Vestre Slidre

Vestre Slidre

Vestre Slidre is a municipality in Oppland county, Norway. It is part of the traditional region of Valdres. The administrative centre of the municipality is the village of Slidre...

. He was a board member of Noregs Mållag

Noregs Mållag

Noregs Mållag is the main organisation for Norwegian Nynorsk , one of the two official written standards of the Norwegian language. In the Norwegian language struggle, it advocates the use of Nynorsk...

 from 1929 to 1936. He earned his dr.philos. degree in 1933, with a thesis on Ole Gabriel Ueland

Ole Gabriel Gabrielsen Ueland

Ole Gabriel Ueland was a Norwegian political leader and member of the Norwegian Parliament. Historians credit him with having popularized politics in Norway, paving the way for individuals of underprivileged backgrounds to rise to positions of political importance.Ueland was born into a peasant...

, and was appointed professor in 1935. During the occupation of Norway by Nazi Germany

Occupation of Norway by Nazi Germany

The occupation of Norway by Nazi Germany started with the German invasion of Norway on April 9, 1940, and ended on May 8, 1945, after the capitulation of German forces in Europe. Throughout this period, Norway was continuously occupied by the Wehrmacht...

 he joined the resistance movement

Norwegian resistance movement

The Norwegian resistance to the occupation of Norway by Nazi Germany began after Operation Weserübung in 1940 and ended in 1945. It took several forms:...

, editing the underground publication I krigstid. He was a member of the post-war investigation committee, Undersøkelseskommisjonen av 1945

Undersøkelseskommisjonen av 1945

Undersøkelseskommisjonen av 1945 was a commission appointed by the Parliament of Norway in 1945 and chaired by Gustav Heiberg, given the task to investigate the role of the three branches of power; the Norwegian Parliament, Government and Supreme Court as well as the Administrative Council in 1940...

, where he wrote the appendix on the Norwegian Government's Foreign Policy up to April 1940. He was decorated Knight, First Class of the Order of St. Olav in 1950.