May – After Frederik I's death, a war of succession begins between supporters of the Catholic Christian II and the Protestant Christian III. The conflict becomes known as the Count's Feud.
16 October – In the Battles of Svenstrup, Skipper Clement's peasant army, re-enforced with professional soldiers from Count Christoffer, defeats the army of the Jutland nobility that had been sent to crush the revolt.
18 December – A royal army led by Johan Rantzau defeats Clement's men at Aalborg where they have sort refuge. Clement is captured a few days later.
1535
11 June – In the Battle of Øksnebjerg, on the island of Funen, Rantzau decisively defeats the rest of Count Christoffer's army.