The Battle of Mława, otherwise known as the Defence of the Mława position, took place to the north of the town of Mława in northern Poland between 1 and 3 September 1939. It was one of the opening battles of the Invasion of Poland and World War II in general. It was fought between the forces of the Polish Modlin Army under General Krukowicz-Przedrzymirski and the German 3rd Army under General Georg von Küchler.
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.