Norway's Monarch since 1814

The Norwegian monarchy starts with Harald Fairhair, who united the petty kingships in Norway into a single realm towards the end of the 9th century. Norway was under Danish rule from 1536 to 1814, and in personal union with Sweden from 1814 to 1905.

Since the union with Denmark was dissolved in January 1814, as a result of the Napoleonic Wars, Norway has had the following monarchs:

Prince Christian Frederik
regent 19 February 1814 - 19 May 1814

King Christian Frederik
19 May 1814 - 10 October 1814
The Storting (Norway's Parliament) accepted the King’s abdication on 4 November 1814, after Christian Frederik had not been leading the Council of State since 13 August and had left the country on 10 October.
King of Denmark as Christian VIII 1839-1848.

King Carl XIII 
4 November 1814 - 5 February 1818

King Carl XIV Johan
5 February 1818 - 8 March 1844

King Oscar I
8 March 1844 - 8 July 1859

King Carl XV
8 July 1859 - 18 September 1872

King Oscar II
18 September 1872 - 7 June 1905
On 7 June 1905 the Storting declared that Oscar II had ceased to act as King of Norway. Oscar II waived his right to the Norwegian throne on 26 October 1905. 

King Haakon VII
18 November 1905 - 21 September 1957

King Olav V
21 September 1957 - 17 January 1991

King Harald V
17 January 1991 -