Events from the year 1665 in Denmark.

Incumbents

Monarch - Frederick III

Events 14 November – The King's Law or Lex Regia (Danish and Norwegian: Kongeloven) was introduced.

Undated

Births

14 May – Hans Seidelin, civil servant and landowner (died 1740) 30 September Knud Juel, landowner and county governor (died 1709)

Deaths 7 April Henrik Ernstt, jurist (born 1603) Full date unknown

References