events
August 31, 1314
King Haakon V of Norway moves the capital from Bergen to Oslo.

Haakon V
Haakon V Magnusson was King of Norway from 1299 until 1319.
Bergen
Bergen is a city and municipality in Vestland county on the west coast of Norway. Bergen is the second-largest city in Norway after the capital Oslo.
Oslo
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 709,037 in 2022, while the city's greater urban area had a population of 1,064,235 in 2022, and the metropolitan area had an estimated population of 1,546,706 in 2021.