The Battle of the Square was a skirmish between Norwegian demonstrators and military forces of the United Kingdoms of Sweden and Norway that took place in Oslo, Norway, on the evening of 17 May 1829.
Contemporary depiction. The officer on horseback on the left of the picture is Major-General Ferdinand Wedel-Jarlsberg (National Library of Norway).
Drawing of the 'battle' by Henrik Wergeland for his farcical play Phantasmer, published in August 1829.
Union between Sweden and Norway
Sweden and Norway or Sweden–Norway, officially the United Kingdoms of Sweden and Norway, and known as the United Kingdoms, was a personal union of the separate kingdoms of Sweden and Norway under a common monarch and common foreign policy that lasted from 1814 until its peaceful dissolution in 1905.
Jean Baptiste Bernadotte, Marshal of France, Crown Prince of Sweden in 1810 and Norway in 1814, and King of Sweden and Norway in 1818. Portrait by Joseph Nicolas Jouy, after François-Joseph Kinson
King Charles XIII (Charles II in Norway)
Christian Frederik, hereditary prince of Denmark and Norway, King of Norway May–October 1814, and King of Denmark (as Christian VIII) 1839–48. Portrait by Johan Ludwig Lund 1813
Oscar Wergeland: The Norwegian Constitutional Assembly in 1814