The Leiden gunpowder disaster occurred on 12 January 1807 when a ship carrying hundreds of barrels of black powder exploded in the Dutch town of Leiden. This catastrophic event resulted in 151 fatalities and the destruction of over 200 buildings.
HistoryLayer draws the world as it was in any year from 123,000 BCE to
2026. Move the slider and the borders redraw for that year; the map
carries 23,890 events, 12,790 people, 837 wars and 13,183 cities, each
one readable in place. Signing in is optional and lets you keep what
you find.