During World War II , Guttstadt was 65 % destroyed during its capture by the Soviet Red Army and the NKVD . After the Potsdam Conference the town was placed under Polish administration and renamed to its historic Polish name '' Dobre Miasto '' . The town 's German population was expelled towards the remainder of Germany . On 1 August 1945 a Soviet garrison handed over power to Jan Majdecki , the first post-war mayor of the town
Potsdam Conference
Potsdam Conference
Dobre Miasto