Charles X Gustav ruled which Kingdom from 1654 to 1660?
Charles X Gustav of Sweden Charles X Gustav of Sweden Charles X Gustav, also Carl Gustav (; 8 November 1622 – 13 February 1660), was King of Sweden from 1654 until his death. He was the son of John Casimir, Count Palatine of Zweibrücken-Kleeburg and Catherine of Sweden. After his father's death he also succeeded him as Pfalzgraf. He was married to Hedwig Eleonora of Holstein-Gottorp, who bore his son and successor, Charles XI. Charles X Gustav was the second Wittelsbach king of Sweden after the childless king Christopher of Bavaria (1441–1448) and he was the first king of the Swedish "Caroline era", which had
Charles X Gustav of Sweden January 1660, Charles X Gustav fell ill with symptoms of a cold. Ignoring his illness, he repeatedly went to inspect the Swedish forces near Gothenburg, and soon broke down with chills, headaches and dyspnoea. On 15 January, court physician Johann Köster arrived, and in medical error mistook Charles X Gustav's pneumonia for scorbut and dyspepsia. Köster started a "cure" including the application of multiple enemata, laxatives, bloodletting and sneezing powder. While after three weeks the fever eventually was down and the coughing was better, the pneumonia had persisted and evolved into a sepsis by 8 February. On 12 February, Charles