title: 1678 in Denmark
text: # 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)
  