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, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 5 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. 1939 – Closure of Czech universities and 1 more anniversaries

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 13. 8. – 31. 10. 1940 - The Battle of Britain and 2 more anniversaries

24. 10. 1942 - poprava 261 československých odbojářů v KT Mauthausen, 27. 5. 1942 - Assassination of R. Heydrich, 8. 5. 1945 - End of WWII

1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps

1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 29. 8. 1944 - April 1945 - The Slovak National Uprising

14. 3. 1939 – The foundation of the Slovak State, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1. 9. 1939 - The outbreak of the WW2, 14. 3. 1939 – The foundation of the Slovak State