1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

Western Ukrainian lands within Poland 1919–1939, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia and 4 more anniversaries

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 1. 9. 1939 - The outbreak of the WW2, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine and 2 more anniversaries

8. 5. 1945 - End of WWII

Games of the XXIII Olympiad

1989 - The fall of the iron curtain, 16. 12. 1989 - 24-25. 12. 1989 - The Romanian revolution

6. 4. - 17. 4. 1941 Dubnová válka (Německý útok na Jugoslávii) , 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 20 October 1944 - Liberation of Belgrade

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 1944 - 1949 Greek civil war, 28.10.194 - 23.4.1941 Greek- Italian war

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1949 Greek civil war, 6.4. - 23.4.1941 Battle of Greece

8. 5. 1945 - End of WWII, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation