21. 8. 1968 - Invasion of the Warsaw Pact troops, 28. 1. 1977 - The “Anti-Charter”, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1944 - 1945 - The liberation of Czechoslovakia, 14. 2. 1945 - Bombing of Prague , 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans), 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII

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

25. 2. 1948 - Communist coup d‘état in ČSR, 19. 6. – 23. 6. 1948 – The Sokol Gathering

1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII

1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia