1685 in Denmark

Incumbents

• Monarch – Christian V
• Grand Chancellor – Frederik Ahlefeldt

Events

• 16 April – Fort Frederiksborg is sold to the English.
• 19 May – Leonora Christina Ulfeldt is released after twenty-two years in confinement in Blåtårn.
• September – a woman named Mette is put on trial for witchcraft in Ebeltoft, beginning the Rugård witch trials.
• 3 October – The County of Reventlow is established by Conrad von Reventlow from the manors of Sandbjerg and Ballegård as well as the farm Bøgskov.

Undated

• The Brandenburg Colony is established on St. Thomas in the Danish West Indies.
• Encouraged by his queen, Christian V licensed the formation of a reformed congregation among German, Dutch and French immigrants.

Births

• 28 October – Hans Gram, historian

• Povl Badstuber, coppersmith and industrialist

Deaths

• 29 January – Ove Ramel, landowner
• 20 February – Queen Sophie Amalie, Queen of Denmark
• 10 June – Peder Lauridsen Scavenius, jurist, civil servant, rector and landowner
• 23 August – Ludvig Rosenkrantz, nobleman

Publications

• Peder Syv': Den Danske Sprog-Kunst
• Peder Hansen Resen: ''Petri Johannis Resenii Bibliotheca Regiæ Academiæ Hafniensi Donata Cui Præfixa Est Ejusdem Resenii Vita''