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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 6.-13. 12. 1980 Operation Krkonoše, 1989 - The fall of the iron curtain

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, March 5th, 1953 - Death of Josif V. Stalin and 1 more anniversaries

5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r

18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 1. 1. 1977 - Declaration of Chart 77, 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

8. 5. 1945 - End of WWII, 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

The liberation of the city of Ostrava, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 15. 3. 1939 - The Nazi occupation of ČSR

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime