Poland Commemorates 1939 Soviet Attack And Katyn Crime

1939 invasion 2025 85th 86th Aggression Commemoration Education Europe European Field Cathedral German-Soviet pact History Holy Mass Karol Nawrocki Katyn Katyn Crime Katyn Massacre Katyn anniversary Legacy Memorial Molotov-Ribbentrop Pact Moscow Mourning Nazi Germany Nazi-Soviet alliance Patriotism Poland Poland WWII Polish Polish Army Cathedral Polish President Polish history Polish victims President Red Army Russian Aggression Second World War September 17 September 1939 Soldiers Soviet Union Soviet invasion Soviets Speech Stalin State Ceremony Tribute Veterans Visitor WWII WWII commemoration1939 War Warsaw World War II anniversary ceremony genocide heritage historical invasion anniversary joint aggression massacre memory military cathedral national ceremony occupation outbreak partition remembrance resistance symbol totalitarianism victims war crimes Warsaw Poland September 17 mourners live broadcast Katyn Massacre commemoration big screen ceremony President Karol Nawrocki Field Cathedral Polish Army joint aggression German-Soviet 1939 partition occupation World War II Artur Widak NurPhoto historical event remembrance Polish history military Soviet Union Nazi Germany 2025 national memory war crimes Eastern Europe political history memorial service international relations historical trauma.