Oslo

capital city of Norway

21 dated entries naming Oslo, drawn from 21 separate years between 1048 CE and 2010 CE. Nothing here is written by us: each line is the sentence a Wikipedia year article used, and the link beside it opens the exact revision.

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11th century

1048The city of Oslo is founded by King Harald Hardrada of Norway (approximate date).source
1070Bergen is founded by King Olaf III of Norway; it will function as the main city and capital of Norway, until it is replaced by Oslo in 1314.source

14th century

1314August 31 – King Haakon V of Norway moves his capital from Bergen to Oslo – where he builds Akershus Fortress, from which Norway is ruled for the next 500 years.source

15th century

1442July 2 – The coronation of King Christopher of Sweden and Denmark as King of Norway takes place in Oslo.source

16th century

1514July 20 – King Christian II is crowned King of Norway in Oslo. This coronation will be the last in Norway for 304 years until the crowning of King Karl III Johan in 1818.source
1531November 5 – Christian II`s invasion force arrives in Oslo.source
1589November 21 – At Oslo, Patrick Vans, Lord Barnbarroch ratifies the marriage contract between King James VI of Scotland, and Anne of Denmark.source

17th century

1624May 24 – The city of Oslo, Norway, is destroyed by fire for the fourteenth time. King Christian IV of Denmark–Norway decrees its rebuilding on a new site, where it will be renamed Christiania.source
1643The first professional book publisher to use printing press in Norway is established in Oslo.source

18th century

1758A fire destroys parts of Christiania, Norway.source
1780The amateur dramatic group Det Dramatiske Selskab is founded in Christiania, Norway.source

19th century

1827January 30 – The first public theatre in Norway, the Christiania Offentlige Theater, is inaugurated in Christiania (modern-day Oslo).source
1876February 24 – The first stage production of the verse-play Peer Gynt by Henrik Ibsen premieres, with incidental music by Edvard Grieg, in Christiania (modern-day Oslo), Norway.source

20th century

1910June 3 – The Norwegian Antarctic Expedition, led by Roald Amundsen on the steamer Fram, departs from Christiania (modern-day Oslo). No announcement until later in the year of Amundsen's intention to reach the South Pole.source
1915December 4–18 – The 'Peace Ship' Oscar II chartered by industrialist Henry Ford sails from Hoboken, New Jersey to Oslo on an independent and eventually unsuccessful mission to broker a peace conference.source
1952February 14–25 – The Winter Olympics are held in Oslo, Norway.source
1953January 12 – Estonian émigrés found a government-in-exile in Oslo.source
1966Long-term potentiation (LTP), the putative cellular mechanism of learning and memory, is first observed by Terje Lømo in Oslo, Norway.source
1994February 12 – Edvard Munch's painting The Scream is stolen in Oslo (it is recovered on May 7).source

21st century

2004August 22 – Armed robbers steal Edvard Munch's The Scream, Madonna, and other paintings from the Munch Museum in Oslo, Norway.source
2010May 25–29 – The Eurovision Song Contest 2010 takes place in Oslo, Norway, and is won by German entrant Lena with the song "Satellite".source