15. 3. 1939 - The Nazi occupation of ČSR, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine, Reemigration of Czechs and Slovaks from Romania to Czechoslovakia (1945 - 1949), Ukraine in 1990-s., 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 1992 - 1995 Bosnian War and 2 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1941 - 1945 - Transports to the concentration camps, 14. 3. 1939 – The foundation of the Slovak State, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 14. 3. 1953 – Klement Gottwald’s death and 1 more anniversaries

9. 10. 1934 - Atentát na jugoslávského krále Alexandra I. , 24. 3. – 10. 6. 1999 - NATO bombing of Yugoslavia, july 1938 - X. sokol slet's, 6. 4. - 17. 4. 1941 Dubnová válka (Německý útok na Jugoslávii) , 8. 5. 1945 - End of WWII and 3 more anniversaries

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1948 - 1955 - Politic lawsuit in the Stalin age, 2022 - full scale invasion of Russia into Ukraine

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1991 - 1995 - Croatian War of Independence and 1 more anniversaries

1944 - 1949 Greek civil war

23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

1944 - 1949 Greek civil war