Kammala wannan jumlar: A ranar 9 ga Satumba, 1939, Wehrmacht ta kama Wejherowo. Bayan mamayewar Poland, wanda ya nuna farkon Yaƙin Duniya na II, Wejherowo ya haɗu da Nazi Jamus kuma an gudanar da shi a matsayin wani ɓangare na Regierungsbezirk Danzig a lardin Reichsgau Danzig-West Prussia. Yawancin al'ummar Yahudawa na garin sun kashe su a lokacin Nazi.
'Yan Poland da yawa na cikin gida suma sun zama wadanda ke fama da manufofin kisan Nazi.