← 1865 1864 1863 1866 in Norway → 1867 1868 1869
Centuries:	17th 18th 19th 20th 21st
Decades:	1840s 1850s 1860s 1870s 1880s
See also:	1866 in Sweden List of years in Norway

Events in the year1866 in Norway.

• Monarch:Charles IV.^[1]
• First Minister:Frederik Stang

• 5 March – The official inauguration of theParliament of Norway Building (Norwegian:Stortingsbygningen).
• 12–13 July – The town ofDrammen is destroyed by fire, with the flames visible from Christiana (nowOslo) 36 km (22 mi) away.^[2]
• The town ofKopervik is founded.

• Erika Nissen, pianist, makes her concert debut inBerlin

• 5 January –Johan Gjøstein, educator, newspaper editor and politician (died 1935).^[3]
• 21 January –Olaus Alvestad, educator and newspaper editor (died 1903)
• 22 January –Sigurd Høst, educator (died1939).^[4]
• 15 March –Johan Vaaler, inventor (died 1910)
• 25 April –Aasulv Olsen Bryggesaa, politician and Minister (died 1922)
• 29 April –Kristian Prestgard, editor ofDecorah-Posten (died 1946)
• 10 May –Thorolf Holmboe, painter (died 1935)
• 24 June –Peter Karl Holmesland, jurist and politician (died 1933)

• 10 July –Sigurd Eldegard, actor and playwright (died1950).^[5]
• 29 July –Jens Zetlitz Monrad Kielland, architect (died 1926)
• 12 August –Johan Opsahl, politician
• 2 September –August Herman Halvorsen, politician (died 1929)
• 13 September –Ole Østmo, rifle shooter and Olympic medallist (died 1923)
• 28 October –Peter Collett Solberg, businessperson and politician (died 1934)
• 1 November –Betzy Kjelsberg, politician and feminist (died 1950)
• 29 November –Johan Friele, sailor and Olympic gold medallist (died 1927)
• 2 December –Ingvald Anker Andersen, politician

• Simon Christian Hammer, writer and journalist (died 1932)
• Jenova Martin, suffragist and writer (died 1937)^[6]
• Sigbjørn Obstfelder, writer (died 1900)

• 20 March –Rikard Nordraak, composer (born 1842)
• 26 April -Nils Vibe Stockfleth, missionary (born1787)
• 24 November –Peder Christian Hersleb Kjerschow, bishop (born 1786)

• Nicolai Benjamin Cappelen, jurist and politician (born 1795)
• Louise Brun, actor (born 1831)
• Conradine Birgitte Dunker, socialite and writer (born 1780)
• Ole Paulssøn Haagenstad, politician (born 1775)
• Jørgen Fredrik Spørck, military officer and politician (born 1787)

• 1866 in Norway
• 1860s in Norway
• Years of the 19th century in Norway

• CS1 Norwegian-language sources (no)
• Articles with short description
• Short description is different from Wikidata
• Use dmy dates from May 2020
• Articles containing Norwegian-language text