1681 Trondheim fire

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]

Section of Cicignon'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.^[1]