apr 10, 1533 - King Frederick I of Denmark, ruler of the Danes since 1523 and later elected, but never crowned, King of Norway, dies at the age of 61. The vacancy leaves a dispute over his successor, which soon becomes the Count's Feud (Grevens Fejde) between the Roman Catholic supporters of the former King Christian II of Denmark, and the Lutheran supporters of Frederick's son, proclaimed to be King Christian III (Timeline)