15 hours ago · Warsaw (/ ˈ w ɔːr s ɔː / WOR-saw; Polish: Warszawa (); see also other names) is the capital and largest city of Poland.The metropolis stands on the Vistula River in east-central Poland and its population is officially estimated at 1.8 million residents within a greater metropolitan area of 3.1 million residents, which makes Warsaw the 7th most-populous capital city in the European Union.
- city county
- 13th century
- 78–116 m (328 ft)
1 day ago · The Piast duke Konrad I of Masovia had since 1209 engaged in several military campaigns against the pagan Old Prussians. In 1217 Pope Honorius III authorized bishop Christian of Oliva to designate these conquests as the Prussian Crusade. In 1222/23 Konrad attempted to subdue the Prussian territories of the Culmer Land east of the Vistula River.