1678 in Denmark
# 1678 in Denmark

Events from the year 1678 in Denmark.

## Incumbents

* Monarch – Christian V
* Grand Chancellor – Frederik Ahlefeldt

## Events

### Scanian War

* 18 January – Battle of Warksow, the Swedish navy defeats the forces of Denmark-Norway and Brandenburg-Prussia.
* 22–24 September – Invasion of Rügen, the allied forces of Denmark-Norway and Brandenburg-Prussia occupy Rügen.

## Births

* 24 June – Ulrik Christian Gyldenløve, Count of Samsø, admiral and illegitimate son of Christian V (died 1719)

## Deaths

* 5 October – Hedevig Ulfeldt, daughter of king Christian IV (born 1626)
