Timeline of Oslo

The following is a timeline of the history of the city of Oslo, Norway.

Prior to 1537

 * 1000 - St. Clement's Church built (approximate date).
 * 1050
 * Oslo founded by Harald Hardrada (approximate date), according to Snorre's saga.
 * Mariakirken built (approximate date).
 * 1070 - Catholic diocese of Oslo established (approximate date).
 * 1080 (approximate) Old Aker Church erected (still existing)
 * 1153 - Oslo Cathedral School established.
 * 1240 - Battle in Oslo 1240
 * 1290s - Akershus Fortress construction begins (approximate date).
 * 1299 - Norwegian capital relocated to Oslo from Bergen.
 * 1308 - Akershus fortress withstands attack by Eric, Duke of Södermanland
 * 1314 - Haakon V of Norway declared that the provost of St Mary's church should be chancellor of Norway for ever (was abolished in 1679).
 * 1349 - Black Death plague.
 * 1352 - St. Hallvard's Cathedral and the other Sogne Churches are burned to the ground in a major fire.

After 1537
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 * 1537 - Reformation, Norway became a client kingdom under the Danish crown, most of the government administration moved to Copenhagen
 * 1567 - city destroyed during Nordic Seven Years' War
 * 1624 - ; settlement relocated to newly founded "Christiania," "Oslo" remained the name of a village outside the city
 * 1639 - built.
 * 1641 - (town hall) built.
 * 1643 - Printing press in operation.
 * 1654 - Vaterland Bridge built.
 * 1686 - Fire ruins ¼ of the city.
 * 1697 - Domkirken (church) built.
 * 1716 - City occupied by forces of Charles XII of Sweden.
 * 1769 - first census held and recorded 7469 inhabitants
 * 1771 - The first public theatre is inaugurated.
 * 1780 - Deichman Library founded.
 * The Det Dramatiske Selskab is founded.

19th century

 * 1811 - Royal Frederick University and Selskabet for Oslo Byes Vel (civic group) founded.
 * 1814
 * Christiania became capital in the new state of Norway
 * University Botanical Garden (Oslo) established.
 * 1815 Supreme Court of Norway established
 * 1819
 * Morgenbladet (newspaper) begins publication.
 * Oslo Exchange established.
 * (park) opens.
 * 1827 - Nybrua (bridge) built.
 * The Strömberg Theatre is inaugurated.
 * 1829
 * May: Battle of the Square.
 * J.W. Cappelens Forlag (publisher) in business.
 * 1836 - National Gallery built.
 * 1837
 * Christiania Theatre built.
 * Andreas Tofte becomes mayor.
 * 1838 - Christiania becomes a municipality.
 * 1841 - Akers Mekaniske Verksted in business.
 * 1844 - Toftes Gave (orphanage) established.
 * 1848 - Christiania Bank established.
 * 1849 - Royal Palace inaugurated.
 * 1851
 * "Cellular prison" begins operating.
 * Oslo host a nordic student meeting.
 * 1852
 * Christiania Norwegian Theatre opens.
 * Oslo host a nordic student meeting.
 * 1854 - Eidsvoll-Christiania railroad, the "Main Line", begins operating.
 * 1855 - Population: 31,715
 * 1857 - Den norske Creditbank headquartered in city.
 * 1858 - 14 April: 1858 Christiania fire.
 * 1860 - Aftenposten newspaper begins publication.
 * 1863 - Murder of Knut Grøte occurs.
 * 1866
 * District Court established.
 * Storting building (for parliament) constructed.
 * 1868 - Norwegian Trekking Association headquartered in city.
 * 1869 - Oslo host a nordic student meeting.
 * 1872
 * Railway Drammen Line begins operating.
 * West Station built.
 * (bookshop) in business.
 * 1875
 * Horse-drawn tram begins operating.
 * Commerce School established.
 * 1876 - founded.
 * 1878 - City expanded. Frogner, Majorstuen, Torshov, Kampen and Vålerenga are populated and rebuilt.
 * 1879 -Husebyrennet ski race held first time
 * 1881 - May: Wergeland monument unveiled in Eidsvolls plass.
 * 1885
 * 26 February: 1885 speed skating race at Frognerkilen takes place.
 * founded.
 * 1892 - Holmenkollbakken (ski jump) built, Husebyrennet became Holmenkollen Ski Festival.
 * 1894 - Electric tram begins operating.
 * 1897 - Centralteatret opens.
 * 1898 - Tram Holmenkollen Line begins operating.
 * 1899 - Nationaltheateret (theatre) built.
 * 1900 - Postage meter (machine) introduced.

20th century

 * 1901 - Nobel Peace Prize ceremony begins.
 * 1904 - Norwegian Nobel Institute established.
 * 1905 - Haakon VII became first king of independent Norway
 * 1907 - Norwegian School of Theology established.
 * 1908 - established.
 * 1910 - Population: 241,834.
 * 1912 - Kjeller Airport begins operating.
 * 1913 - Det Norske Teatret opened
 * 1914 - 1914 Jubilee Exhibition held.
 * 1916 - City Parks Department established.
 * 1920 - Synagogue built.
 * 1925 - City renamed "Oslo," the "Oslo" suburb renamed "Old Town" (Gamlebyen)
 * 1926 - Ankerbrua (bridge) rebuilt.
 * 1928
 * Underground Oslo Metro begins operating.
 * (bridge) built.
 * 1929
 * Det Nye Teater opens.
 * Eldorado Cinema (Oslo) in business.
 * 1932 - Oslo breakfast introduced in schools.
 * 1934
 * Railway Sognsvann Line begins operating.
 * (cinema) opens.
 * 1940 - 9 April: German occupation begins, King and cabinet escaped
 * 1941
 * September: Milk strike occurs.
 * Bredtvet concentration camp in operation.
 * 1942
 * 25 September: Oslo Mosquito raid by British forces.
 * 26 November: Norwegian Jews deported to Auschwitz from Oslo harbour
 * 1943 - 19 December: 1943 Filipstad explosion.
 * 1944 - (sculpture) unveiled in Frogner Park.
 * 1945
 * 8 May German capitulation
 * 7 June King Haakon returned to Oslo and Allied occupation ended
 * 1946
 * Armed Forces Museum (Norway) established.
 * Population: 417,238.
 * 1948 - Aker becomes part of city.
 * 1950 - Oslo City Hall completed after 19 years construction.
 * 1952 - February: 1952 Winter Olympics held in Oslo.
 * 1954 - (ski race) begins.
 * 1959
 * Peace Research Institute Oslo founded.
 * built.
 * 1963
 * Club 7 active.
 * Munch Museum opens.
 * 1972 - built.
 * 1973 - Oslo Airport location controversy.
 * 1977 - Oslo Concert Hall opens.
 * 1980
 * Norwegian Institute for Defence Studies established.
 * Oslo Central Station, Nationaltheatret Station, and Oslo Tunnel open.
 * 1982 - Blitz (movement) begins.
 * 1990
 * Oslo Spektrum (arena) opens.
 * Festningstunnelen opened
 * 1992
 * (city archives) established.
 * Ann-Marit Sæbønes becomes mayor.
 * 1993
 * Israeli-Palestinian peace negotiations ("Oslo Accords") take place in Oslo.
 * Islamic Council Norway headquartered in city.
 * 1994
 * Oslo Courthouse built.
 * Stenersen Museum opens.
 * 1995
 * (bridge) built.
 * Per Ditlev-Simonsen becomes mayor.
 * 1998
 * Rikshospitalet (hospital) opens.
 * Railway Gardermoen Line begins operating.
 * 2000 - City celebrates thousand-year jubilee.

21st century

 * 2001 - January: Demonstration following Hermansen murder.
 * 2002
 * June: World Bank Oslo 2002 Protests.
 * Population: 516,467 city; 783,829 metro.
 * 2003
 * Oslo Bysykkel (bikeshare) begins operating.
 * 2004
 * 22 August: Robbery takes place at the Munch Museum.
 * (mosque) established.
 * 2006 - Central Jamaat-e Ahl-e Sunnat (mosque) opens.
 * 2007 - Fabian Stang becomes mayor.
 * 2008 - Oslo Opera House opens.
 * 2009 - Stian Berger Røsland becomes governing mayor.
 * 2011
 * FIS Nordic World Ski Championships 2011
 * 22 July: 2011 Norway attacks, consisting of a bombing in Regjeringskvartalet, and a massacre on the nearby Utøya island, causing 77 deaths combined (67 from the massacre, 7 from the bombing, and 2 indirectly).
 * (bridge) and built.
 * 2012 - 16 April: Breivik trial begins.
 * 2014
 * March: Bid for the 2022 Winter Olympics submitted.
 * Future Library project organized.
 * Population: 647,676 city; 942,084 metro.
 * 2015
 * September: held.
 * 22 July Information Center opens.
 * 2018
 * December: The city's urban area passed one million people for the first time.
 * 2022
 * June: A terrorist mass shooting occurs in Oslo, killing two and injuring 21.