Warsaw falls without resistance to a small force under the command of Charles X Gustav of Sweden during The Deluge, making it the first time the city is captured by a foreign army.

Warsaw, officially the Capital City of Warsaw, is the capital and most populous city of Poland. The metropolis stands on the river Vistula in east-central Poland. Its population is officially estimated at 1.87 million residents within a greater metropolitan area of around 3.5 million residents,…