Great Fire of Angen
1177 CE.
Shown on the map at 35.014°, 135.742°.
The Great Fire of Angen was a fire that swept through Heian-kyō (now Kyoto) in 1177, destroying around a third of the then capital city. It was recorded by Fujiwara no Kanezane.
Text from the Wikipedia article Great Fire of Angen, licensed CC BY-SA 4.0.