21. 8. 1968 - Invasion of the Warsaw Pact troops

1948 - 1955 - Politic lawsuit in the Stalin age, 8. 5. 1945 - End of WWII, july 1938 - X. sokol slet's, 15. 3. 1939 - The Nazi occupation of ČSR, 5. – 9. 5. 1945 - Prague Uprising and 5 more anniversaries

21. 10 - 10. 12. 1941 - The Tobruk campaign, 1944 - 1945 - The liberation of Czechoslovakia, 5. 10. 1944 – 9 5 1945 – the siege of Dunkirk, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, Games of the XXIII Olympiad, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 2. 10. 1938 - Poland's annexation of Teschen area, 8. 5. 1945 - End of WWII and 1 more anniversaries

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, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 4 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1979 - 1989 - Sovětská invaze do Afghánistánu, 26 April 1986 - Chernobyl disaster

25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

14. 3. 1939 – The foundation of the Slovak State, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 1945 - The liberation of the concentration camps, 8. 5. 1945 - End of WWII and 3 more anniversaries