The Haugean movement or Haugeanism (Norwegian: haugianere) was a Pietistic state church reform movement intended to bring new life and vitality into the Church of Norway which had been often characterized by formalism and lethargy. The movement emphasized personal diligence, enterprise and frugality.
The Haugean movement took its name from the lay evangelist Hans Nielsen Hauge (1771–1824). It played an important part in nurturing the democratic folk movement of the time, and stimulating the entrance into politics of representatives of the rural population. It increased tensions between the more privileged classes and the common people, as well as between the clergy and the laity. 
Hans Nielsen Hauge worked as a lay preacher at a time when such activity was forbidden by law. The Conventicle Act of 1741 (Konventikkelplakaten) prohibited any religious meetings not authorized by the state church: a response to radical Pietism within Norwegian cities. The act decreed that religious gatherings could be held only under the supervision of a state approved minister of the Church of Norway. The pastor was thought to be the only person who could correctly interpret Christian teachings. The ministers had the sole right to administer the sacraments, and as a public official he was accountable to the state for the Christian indoctrination of his flock.
Hauge came to feel that he had a divine call which made it mandatory for him to break this law and proclaim the word of God directly among his fellowmen. He advocated a priesthood of all believers. He felt that people had to be awakened to a consciousness of their sins before they could begin to gain salvation through the grace of God. According to Hauge’s views, the State Church failed to provide parishioners with a personal religious experience. Hauge’s religious teachings were therefore viewed as attacks on the state church and its ministers.
Over a period of 18 years, Hauge published 33 books. Hauge traveled, mostly by foot, throughout much of Norway. Hauge was arrested several times and faced state persecution. He was imprisoned no less than fourteen times between 1794 and 1811, spending a total of nine years in prison. Upon his release from prison in 1811, he took up work as a farmer and industrialist at Bakkehaugen near Christiania (now Oslo). He later bought the Bredtvet farm (now the current site of Bredtvet Church in Oslo) where he lived out his life.
The teachings of Hauge had considerable influence with Norway. Within commerce, many Haugeans launched industry initiatives, including mills, shipyards, paper mills, textile industry and printing house. Within political activities, three Haugeans – John Hansen Sørbrøden, Christopher Borgersen Hoen and Ole Rasmussen Apeness – were in attendance at the National Assembly at Eidsvoll in 1814.
Within popular culture, the character Solveig in Peer Gynt (1876) by Henrik Ibsen is presented as a member of a Haugean family, and this religious affiliation is clearly related to her purity and steadfast love for the play's protagonist. Bjørnstjerne Bjørnson's work Synnøve Solbakken (1857) also presents the heroine as a Haugean with similar purity and commitment to her eventual betrothed, Thorbjørn. A vivid picture of Haugeans appears in the novels of Alexander Kielland. Adolph Tidemand portrayed Hauge and his followers in the painting Haugianere (1852).
The influence of Hans Nielsen Hauge within Norway coincided with the years during which many Norwegians were immigrating to North America. The Haugean influence on Lutheranism in America has been considerable. Lutherans in the U.S. had a Hauge Synod, Eielsen Synod, and Lutheran Free Church all indicative of that influence. Hauge is remembered on the liturgical calendar of the Evangelical Lutheran Church in America on March 29 as one of the renewers of the church.
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- Amundsen, Arne Bugge (1997) The Haugean Heritage – a Symbol of National History (from "In Search of Symbols. An Explorative Study" Jens Braarvig & Thomas Krogh,editors, pp. 214–233. Department of Cultural Studies, University of Oslo)
- Eielsen, Sigrid (2000) A Haugean Woman in America : the Autobiography of Sigrid Eielsen (Norwegian-American Historical Association. Northfield, Minn., vol. 35)
- Gjerde, S. S. & Ljostveit, P. (1941) The Hauge Movement In America (The Hauge Inner Mission Federation)
- Wee, Mons Olson (1919) Haugeanism: A Brief Sketch of the Movement and Some of Its Chief Exponents (Harvard University)
- Aarflot, Andreas (1979) Hans Nielsen Hauge, his life and message (Augsburg Publishing House, Minneapolis, MN.) ISBN 978-0-8066-1627-8
- Arnesen, Daniel (2001) Haugianske vennebrev (P. Øverland) ISBN 978-82-90936-33-9 (Norwegian)
- Bull, Jacob Breda (1912) Hans Nielsen Hauge (Kristania: Steen'ske Bogtrykkeri Og Forlag) ISBN 978-1-161-19331-2
- Pettersen, Wilhelm (2008) The Light In The Prison Window: The Life Story of Hans Nielsen Hauge (Kessinger Publishing, LLC) ISBN 978-1-4366-7790-5
- Hauge, Alfred (1947) Hans Nielsen Hauge: Guds vandringsmann (Ansgar) ISBN 978-82-503-0463-5 (Norwegian)
- Shaw, Joseph M. (1979) Pulpit Under the Sky: A Life of Hans Nielsen Hauge (Greenwood Press Reprint) ISBN 978-0-313-21123-2
- Sjursen, Finn Wiig (1993) Den haugianske periode, 1796–ca. 1850 (NLA-forlaget) ISBN 978-82-7468-020-3 (Norwegian)
- Thorvaldsen, Steinar (2010) A Prophet Behind the Plough, Hans Nielsen Hauge and his Ministry (University of Tromsø) ISBN 978-82-7389-210-2