Kammala jumla mai zuwa: Ma'anar "Festung Posen" kuma 'yan Nazi na Jamus sun yi amfani da shi a lokacin da Red Army ke ci gaba a cikin sassan karshe na yakin duniya na biyu, don komawa ga matsayin Poznań a matsayin daya daga cikin "Festungen" ("Festungen") wanda ya kamata a kare shi a kowane farashi. Ya fadi a cikin
Yaƙin Poznań (1945), tare da Fort Winiary shine ƙarshen juriya.