21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring, 1945 - 1946 Resettlement of Poles in the "Regained lands"

1948 - 1955 - Politic lawsuit in the Stalin age, 1945 - 1946 Resettlement of Poles in the "Regained lands" , 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands, Ukrainian insurgent movement 1930–1950, Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950 and 1 more anniversaries

1945 - 1946 Resettlement of Poles in the "Regained lands" , 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1940 Katyn massacre, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 1945 - 1946 Resettlement of Poles in the "Regained lands"

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1945 - 1946 Resettlement of Poles in the "Regained lands"

17.9.1939 - Soviet invasion of Poland , 1945 - 1946 Resettlement of Poles in the "Regained lands"

1. 9. 1939 - The outbreak of the WW2, 1945 - 1947 Expulsion of Germans from former German East territories, 1945 - 1946 Resettlement of Poles in the "Regained lands"

1945 - 1946 Resettlement of Poles in the "Regained lands"

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1945 - 1947 Expulsion of Germans from former German East territories, 1945 - 1946 Resettlement of Poles in the "Regained lands"

1945 - 1946 Resettlement of Poles in the "Regained lands"