High Quality Content by WIKIPEDIA articles! Christian II (1 July 1481 25 January 1559) was a Danish monarch and King of Denmark, Norway (1513 1523) and Sweden (1520 1521), during the Kalmar Union. Christian was born as the son of King Hans of Denmark and Christina of Saxony, at Nyborg Castle in 1481 and succeeded his father as king and regent in Denmark and Norway, where he later was to be succeeded by his uncle King Frederick I of Denmark.