21. 8. 1968 - Invasion of the Warsaw Pact troops, 28. 1. 1977 - The “Anti-Charter”, Dispersal of Plastic People and DG 307 concert in Rudolfov

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1. 1. 1977 - Declaration of Chart 77, 28. 1. 1977 - The “Anti-Charter”, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 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, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval and 3 more anniversaries

18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 1947 - Jamboree in France

29. 9. 1938 - The Munich Diktat, 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 13.8.1961 - Building of the Berlin Wall, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77

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