EntityQ99691· pop 27· linked from 265 articlesU1Sign in to saveBerlin U-Bahn lineConnectionsBerlin RingbahnEntityBerlin U-BahnEntityOberbaum BridgeEntityU9EntityBerlin Warschauer Straße stationEntityBerlinEntityWorld War IIConceptWorld War IConceptInternational Standard Book NumberEntityGerman Democratic RepublicEntityBerlin WallEntityrapid transitEntityWeimar RepublicEntitytunnelEntityLondon UndergroundEntityGerman reunificationEntityNew York City SubwayEntityWest BerlinEntitySantiago CalatravaEntityWerner von SiemensEntityCategories1902 establishments in GermanyBerlin U-Bahn linesCommons link is on WikidataRailway lines opened in 1902