The IPN’s President took part in 1 September 1939 commemoration at the Westerplatte Monument
Celebrations with the participation of the President of the Republic of Poland Andrzej Duda in tribute to the civilian victims of World War II ‒ Wieluń, 1 September 2021
Article: "Unequal Struggle"
Article: "Defending the Line of the San River"
Article: "Soviet Aggression on Poland in September 1939"
Article: "The Myth of the Innocent Wehrmacht"
Article: "War Crimes Committed by the German Wehrmacht during the Invasion of Poland in 1939"
Article: "Hungarians towards the German Aggression on Poland"
Article: "Slovak Participation in the War. Occupation of Polish Mountain Regions"
Article: "World War II and Moral Capital"
Website: "1 September 1939"
Video: "The Timeline of September 1939 Defensive War, Week 1"
Video: "The Timeline of September 1939 Defensive War, Week 2"
Video: "The Timeline of September 1939 Defensive War, Week 3"
Video: "The Timeline of September 1939 Defensive War, Week 4"
Video: The Timeline of September 1939 Defensive War, Week 5"
