1681 Trondheim fire

{{Short description|Major fire in Trondheim, Norway}}

{{Use dmy dates | date=February 2024}}

The 1681 Trondheim fire started on 18 April 1681, in a building near Nidelva, an area of the city of Trondheim, Sør-Trøndelag county, Norway. Large parts of the city centre were destroyed, including the quay houses and Vår Frue Church.{{cite encyclopedia|title=Trondheim |first= |last= |encyclopedia=Store norske leksikon |editor-last=Godal | editor-first=Anne Marit | editor-link=Anne Marit Godal |publisher=Norsk nettleksikon |location=Oslo |url=https://snl.no/Trondheim |language=Norwegian|accessdate=14 February 2013}}{{cite encyclopedia|title= norske storbranner |first= |last= |encyclopedia=Store norske leksikon |editor-last=Godal | editor-first=Anne Marit | editor-link=Anne Marit Godal |publisher=Norsk nettleksikon |location=Oslo |url=https://snl.no/norske_storbranner |language=Norwegian|accessdate=14 February 2013}} Timber merchant Thomas Hammond perished during the fire.{{cite encyclopedia|title=Thomas Hammond |encyclopedia=Norsk biografisk leksikon|first=Ida |last=Bull |authorlink= |editor=Helle, Knut|publisher=Kunnskapsforlaget |location=Oslo |url=https://nbl.snl.no/Thomas_Hammond |language=Norwegian |accessdate=14 February 2013}}

File:Cicignon city plan sub.png's city plan for Trondheim, after the 1681 fire.]]

After the fire incident, a new city plan of Trondheim was developed by Johan Caspar von Cicignon, on the initiative of King Christian V.