1681 in Denmark

Events from the year 1681 in Denmark.

Incumbents

Monarch – Christian V{{cite web |title=Christian V {{!}} Scandinavian king |url=https://www.britannica.com/biography/Christian-V |website=Encyclopedia Britannica |access-date=18 November 2019 |language=en}}
Grand Chancellor – Frederik Ahlefeldt

April –The pastor Jacob Worm who is a prisoner at Copenhagen Fortress, is sentenced to death for his satirical poems directed at the king, Thomas Kingo (his father-in-law) and others, but is pardoned and instead send to Tranquebar in exile.{{cite web|url=http://www.kobenhavnshistorie.dk/bog/khsd/1600/1681.html|title=1681|language=da|publisher=Selskabet for Københavns Historie|access-date=2012-11-01|archive-url=https://web.archive.org/web/20160303204937/http://www.kobenhavnshistorie.dk/bog/khsd/1600/1681.html|archive-date=2016-03-03|url-status=dead}}
16 April – A royal decree orders the execution of a new cadastral survey. Christian V's Cadastre is completed in 1688.
25 June – A royal decree provides for the first street lighting in Copenhagen. 500 street lights using whale oil are installed but are not to be lit on light summer nights or when the moon is out.
29 June – King Christian V travels from Copenhagen to Kolding in just one day, leaving at 03.00 and arriving Kolding at 22:00.{{cite web|url=http://www.thm.dk/publ/ksn/ksn1_html.htm|title=Christian V. Konge og sportsmand|language=da|publisher=thm.d|access-date=2012-11-01|archive-date=2012-02-04|archive-url=https://web.archive.org/web/20120204210915/http://www.thm.dk/publ/ksn/ksn1_html.htm|url-status=dead}}

Ole Rømer returns to Denmark from Paris and is appointed as a professor at University of Copenhagen.
Robert Robartes, Viscount Bodmin is the English ambassador to Denmark.[http://www.historyofparliamentonline.org/volume/1660-1690/member/robartes-hon-robert-1634-82 History of Parliament Online - Robartes, Robert]
An attempt to construct a dry dock in Copenhagen fails as it continues to take on water. A new dry dock is not completed until 1739 at Christianshavn.{{cite web|url=http://indenforvoldene.dk/strandgade%2027b.html|title=Gammel Dok|publisher=indenforvoldene.dk|access-date=2010-01-04|archive-url=https://web.archive.org/web/20160304070551/http://indenforvoldene.dk/strandgade%2027b.html|archive-date=2016-03-04|url-status=dead}}
The oldest house at Nyhavn in Copenhagen is built.
Frederiksholm Canal is dug out and Storm Bridge is built in Copenhagen.
The Barony of Høegholm is established by Christian V from Fævejle and Lykkesholm as well as other land in the area.