Players wich survied the war resume playing in 1919. Club became extended for other sports and was named Sportverein (sports club) Preussen 09. First team runs up to new district league in 1920 and contest hard derby games against football club Britania with more than 2000 spectators. In 1927 club's first own sports ground was build behind the Wilhelm-bridge. In 1928 the "eagles" (Preussen 09) relegated from ditrict league but play city derby games against the "boars" (Britania FC) again.