The unification of Danish historians. Historisk Tidsskrift and the end of the historians’ feud, 1927-50During the inter war years, Danish historians were divided in two opposing camps. One camp, led by professor Aage Friis, from 1924 controlled the Danish Historical Association and thereby the most important Danish historical journal, Historisk Tidsskrift. The other camp, led by professor Erik Arup, demonstratively boycotted Historisk Tidsskrift and published in other journals. The feud ended in 1939 when Albert Olsen, a disciple of Arup, became a member of the board of the Danish Historical Association and thus a member of the editorial board of Historisk Tidsskrift. Gradually, peaceful relations among Danish historians were re-established...