6 July – Frederick III signs his håndfæstning, which is the most restrictive of its kind to date.[3]
23 November – Coronation of Frederick III.
24 November – Coronation of Queen Sophie Amalie. By that time, the triumphal arch has already been dismantled, giving rise to various speculations and rumors, particularly relating to Corfitz Ulfeldt and his party.[4]
Undated
Ove Gjedde resigns as Admiral (Rigsadmiral) and settles as a feudal magnate (lensmand) at Helsingborg Castle.
Physician and botanist Simon Paulli publishes the first Flora Danica, not to be mistaken with the later, more famous work of the same name from the 18th century. Published in Latin but translated into Danish by a student, it strongly discourages the growing use of tobacco and tea.[4]