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.
[1][2] Timber merchant Thomas Hammond perished during the fire.
[3] After the fire incident, a new city plan of Trondheim was developed by Johan Caspar von Cicignon, on the initiative of the King Christian V.[1]