May 1, 1925 – Poland – A German express train from Königsberg (now Kaliningrad, Russia) to Berlin crossing the Polish Corridor and derailed on a sharp curve between Swarożyn (Swaroschin) and Starogard Gdański (Preußisch Stargard), sending the locomotive and six cars 25 feet down an embankment; 26 people were killed and 12 seriously injured, mostly in first class, and because the train doors were locked while in Poland, passengers remain locked into the undamaged cars for another two hours.