War II. Also, the Germans operated a forced labour subcamp of the Stalag I-A prisoner-of-war camp in the town, and a subcamp of the Stutthof concentration camp near the town. The inmates of the latter were evacuated in January 1945 and murdered in the Palmnicken massacre. In early February 1945, the Soviets entered the almost completely abandoned city, plundered it and destroyed it. After the war it became again part of Poland. Architecture Among the heritage monuments of the city are the Gothic Saint Michael the Archangel Church, fragments of medieval city walls, an Art Nouveau water tower and a number of houses, the oldest dating back to the 15th century. Sports The local football club is Łyna Sępopol. It competes in the lower leagues. Notable residents William Guglielmo Niederland (1904-1993), German-American psychoanalyst References Cities and towns in Warmian-Masurian Voivodeship Bartoszyce County