Great Fire of Tartu
1775 CE.
Shown on the map at 58.382°, 26.722°.
The Great Fire of Tartu took place on 6 July [O.S. 25 June] 1775, destroying most of the city of Tartu, located in present-day Estonia. The fire destroyed the centre of the city.
Text from the Wikipedia article Great fire of Tartu, licensed CC BY-SA 4.0.